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Contents
- The climate of Chamico
- The best time to visit Chamico
- The worst time to visit Chamico
- Spring weather in Chamico
- Summer weather in Chamico
- Autumn weather in Chamico
- Winter weather in Chamico
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Chamico
The climatic conditions in Chamico, São Tomé and Príncipe are classified under the Köppen classification as a Tropical wet and dry or Savanna type, noted as As. It is characterized by a strong wet season and a period of lesser rainfall amounts that can potentially qualify as a dry season.
Throughout the year, temperatures in Chamico range from an average low of 23°C (73.4°F) to a high of 28.8°C (83.8°F), establishing a hospitable and relatively uniform thermal environment throughout the year. The lowest temperatures occur in July with monthly averages dropping to 23°C (73.4°F) while the hottest temperatures are observed in March, where averages peaks at 28.8°C (83.8°F).
Humidity levels are generally high in Chamico with the percentage ranging between 76% and 83%. Months with highest humidity are reported from August to October, contributing to a high level of air moisture and increases discomfort levels.
In terms of precipitation, rainfall is highly seasonal, with the wettest month recorded in November with 224mm (8.82") and the driest in July with only 9mm (0.35") of rainfall. Unlike in many other climates, the number of rainy days in Chamico does not strictly follow the amount of rainfall, but instead peaks in December with 28.6 days and is at its lowest in July with 8.4 days.
Considering the sunlight exposure, unequivocally equal daylight hours are experienced in Chamico throughout the year, amounting to 12.1 hours. The number of sunshine hours per day varies from 5 hours in August to 8.6 hours in February, meaning the city is relatively abundant in sunlight.
Throughout the year, temperatures in Chamico range from an average low of 23°C (73.4°F) to a high of 28.8°C (83.8°F), establishing a hospitable and relatively uniform thermal environment throughout the year. The lowest temperatures occur in July with monthly averages dropping to 23°C (73.4°F) while the hottest temperatures are observed in March, where averages peaks at 28.8°C (83.8°F).
Humidity levels are generally high in Chamico with the percentage ranging between 76% and 83%. Months with highest humidity are reported from August to October, contributing to a high level of air moisture and increases discomfort levels.
In terms of precipitation, rainfall is highly seasonal, with the wettest month recorded in November with 224mm (8.82") and the driest in July with only 9mm (0.35") of rainfall. Unlike in many other climates, the number of rainy days in Chamico does not strictly follow the amount of rainfall, but instead peaks in December with 28.6 days and is at its lowest in July with 8.4 days.
Considering the sunlight exposure, unequivocally equal daylight hours are experienced in Chamico throughout the year, amounting to 12.1 hours. The number of sunshine hours per day varies from 5 hours in August to 8.6 hours in February, meaning the city is relatively abundant in sunlight.
The best time to visit Chamico
Based on climate data evaluated, the best time to visit Chamico is from June to August. During this period, premium conditions are experienced as the average temperatures hover between 23°C (73.4°F) to 25.6°C (78.1°F). These months also coincide with lower rainfall levels, particularly in July, when precipitation averages only at 9mm (0.35"), which is the lowest for the year. Furthermore, humidity is somewhat lower during this period, averaging around 82%.
The worst time to visit Chamico
The least favorable period for visiting Chamico appears to be between October and December. These periods are characterized by high precipitation levels with November registering the highest rainfall across the year at 224mm (8.82"). Additionally, humidity is relatively high during this period, leading to potentially uncomfortable conditions for visitors not accustomed to tropical climates.
Spring weather in Chamico
Spring, in Chamico, spans from March to May. It is marked by gradually decreasing temperatures from an average high of 28.8°C (83.8°F) in March to 27.8°C (82°F) in May. Relative humidity positions around 77% to 79%, while rainfall decreases from an average of 119mm (4.69") in March to 122mm (4.8") in May. The UV Index remains constant at 7 throughout this period revealing strong sunlight exposure.
Summer weather in Chamico
The summer season in Chamico, observed from June to August, entails a decrease in temperatures with average highs moving from 27.8°C (82°F) in June to 24.8°C (76.6°F) in August. This period experiences the lowest rainfall of the year, particularly in July with an average precipitation amount of just 9mm (0.35"). Humidity levels peak at 83% in August, while the UV Index slowly decreases from 7 in June to 5 in August.
Autumn weather in Chamico
During the autumn season, which lasts from September to November, Chamico experiences an increase in temperatures and rainfall. Average high temperatures rise from 25.5°C (77.9°F) in September to 27.1°C (80.8°F) in November, while precipitation increases from 35mm (1.38") to 224mm (8.82"). The UV index remains constant at 6 in September and October, before rising to 7 in November.
Winter weather in Chamico
The winter season in Chamico, running from December to February, ushers in higher temperatures, with the average high in February reaching 28.4°C (83.1°F). Precipitation shows a decrease from 159mm (6.26") in December to 100mm (3.94") in February, while the UV index maintains a constant reading of 7, implying a sustained level of strong sunlight.
Weather in January
Jumpstarting the year in Chamico, São Tomé and Príncipe is sultry with both daily high and low temperatures hovering around 28°C (82.4°F) and 27°C (80.6°F) respectively. January's weather features consistent and considerable cloud coverage, peaking at approximately 38%. Weather in January »
Weather in February
Transitioning into February, a slight uptick in both average maximum and minimum temperatures is noticeable. February weather endures higher wind speed, averaging 11.6km/h (7.2mph), compared to 11.1km/h (6.9mph) in January. Humidity levels remain constant and cloud percentage experiences a marginal decrease, a hint that the weather starts to favour sunny conditions. Weather in February »
Weather in March
Enjoyable weather continues into March, as the average temperatures continue to rise slightly from the previous month, reaching 28.8°C (83.8°F) for highs and 27.5°C (81.5°F) for lows. Wind speeds remain reasonably constant between February and March. Weather in March »
Weather in April
As April approaches, the city experiences a slight drop in the average temperature from 28.8°C (83.8°F) in March to 28.6°C (83.5°F). However, the weather remains relatively hot and humid, potential impact on the comfort level. Weather in April »
Weather in May
May signifies noticeable changes in Chamico’s weather. The most significant shift notices temperatures — from a high of 28.6°C (83.5°F) in April to 27.8°C (82°F) now, and from a low of 27.2°C (81°F) in April to 26.3°C (79.3°F) now. Weather in May »
Weather in June
June marks a significant shift as temperatures drop to 25.6°C (78.1°F) for highs and 24.3°C (75.7°F) for lows, making it one of the cooler months. The increase in wind speed continues from May and reaches its peak in June, averaging at 17.6km/h (10.9mph). Weather in June »
Weather in July
The period between June and July witnesses a slight drop in temperatures, hovering between highs of 24.5°C (76.1°F) and lows of 23°C (73.4°F). This month is also notable for its wind speeds, maintaining similar speed as its predecessor month, and thus marking it among the windier months in Chamico. Weather in July »
Weather in August
August ushers in a faint upward temperature trend, with highs reaching about 24.8°C (76.6°F) and lows hitting the 23.2°C (73.8°F) mark. While the daytime temperature consistency between July and August is evident, humidity levels also continue to rise progressively, hitting a yearly peak of 83%. Weather in August »
Weather in September
As September rolls in, the weather begins to warm slightly, reflected in both high and low temperatures of around 25.5°C (77.9°F) and 24.6°C (76.3°F) respectively. Despite the substantial increase in rainfall, up to 35mm (1.38") from August’s relatively dry 21mm (0.83"), September still has a uniform monthly atmospheric pressure of 1013.1 mb. Weather in September »
Weather in October
October is predominantly characterized by a sizable leap in precipitation to 220mm (8.66"), marking its transition into the latter part of the rainy season. The increase in temperature is consistent with the month of September, with recorded highs of 26.4°C (79.5°F) and lows of 25.5°C (77.9°F). Weather in October »
Weather in November
November weather complements the upward trend of temperatures that commenced in September, hitting highs and lows at 27.1°C (80.8°F) and 26.2°C (79.2°F) respectively. Viewed in comparison to October's 220mm (8.66") rainfall, November's precipitation levels increase slightly to 224mm (8.82"), held over 26.7 days of rainfall. Weather in November »
Weather in December
Rounding up the year, December maintains similar temperature patterns with November, with highs of 27.5°C (81.5°F) and lows of 26.6°C (79.9°F). Despite being the last month of the year, the wind speeds in December settle lower than the yearly average, concluding at 10.8km/h (6.7mph). Weather in December »
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Chamico?
In Chamico, São Tomé and Príncipe, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.
What are the months with the shortest days in Chamico?
January, November and December, with an average of 12h and 6min of daylight, are months with the shortest days in Chamico, São Tomé and Príncipe.
When is the highest UV index in Chamico?
The months with the highest UV index in Chamico are January through May, October through December, with an average maximum UV index of 7.
What month has the most sunshine in Chamico?
February has the most sunshine of the year in Chamico, with an average of 8.6h of sunshine.
What part of the year is the hottest in Chamico?
Chamico's March weather, with an average high temperature of 28.8°C (83.8°F) and an average low temperature of 27.5°C (81.5°F), tends to be the warmest of the year.
What is the least humid month in Chamico?
The least humid month in Chamico is March, with an average relative humidity of 76%.
When are the longest days in Chamico?
June has the longest days of the year in Chamico, São Tomé and Príncipe, with an average of 12h and 6min of daylight.
What are the coldest months in Chamico?
July, with its high-temperature average of 24.5°C (76.1°F) and a low-temperature average of 23°C (73.4°F), is the coldest month in Chamico.
What is the driest month in Chamico?
July is the month with the least rainfall in Chamico. Rain falls for 8.4 days and accumulates 9mm (0.35") of precipitation.
What is the month with the lowest UV index in Chamico?
The month with the lowest UV index is July, with an average maximum UV index of 5.
What is the most humid month in Chamico?
The months with the highest humidity in Chamico are August through October, with an average relative humidity of 83%.
What is the month with the least sunshine in Chamico?
With an average of 5h of sunshine, August has the least sunshine of the year.
What is the wettest month in Chamico?
The month with the most rainfall in Chamico, São Tomé and Príncipe, is November, when the rain falls for 26.7 days and typically aggregates up to 224mm (8.82") of precipitation.
Is there Daylight Saving Time (DST) in Chamico?
Chamico does not observe Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Chamico, São Tomé and Príncipe
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure
Chamico, São Tomé and Príncipe
- Average pressure in January:
1010.7mbar - Average pressure in February:
1009.8mbar - Average pressure in March:
1009.9mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1013.5mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1010.4mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed
Chamico, São Tomé and Príncipe
- Average wind speed in January:
11.1km/h - Average wind speed in February:
11.6km/h - Average wind speed in March:
11.7km/h - Average wind speed in April:
10.9km/h - Average wind speed in May:
13km/h - Average wind speed in June:
17.6km/h
- Average wind speed in July:
17.7km/h - Average wind speed in August:
17.1km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
14.2km/h - Average wind speed in November:
12.3km/h - Average wind speed in December:
10.8km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity
Chamico, São Tomé and Príncipe
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall
Chamico, São Tomé and Príncipe
- Average rainfall in January:
130mm - Average rainfall in February:
100mm - Average rainfall in March:
119mm - Average rainfall in April:
126mm - Average rainfall in May:
122mm - Average rainfall in June:
22mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days
Chamico, São Tomé and Príncipe
- Average rainfall days in January:
27.1 days - Average rainfall days in February:
23.4 days - Average rainfall days in March:
24.4 days - Average rainfall days in April:
22 days - Average rainfall days in May:
20.5 days - Average rainfall days in June:
7.3 days
- Average rainfall days in July:
8.4 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
15.8 days - Average rainfall days in October:
24.7 days - Average rainfall days in November:
26.7 days - Average rainfall days in December:
28.6 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight / Average sunshine
Chamico, São Tomé and Príncipe
- Average daylight in January:
12h and 1min - Average daylight in February:
12h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 1min - Average daylight in May:
12h and 1min - Average daylight in June:
12h and 1min
- Average daylight in July:
12h and 1min - Average daylight in August:
12h and 1min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 1min - Average daylight in November:
12h and 1min - Average daylight in December:
12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January, November and December (Average daylight: 12h and 6min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
6h and 2min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
5h and 0min - Average sunshine in September:
5h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
7h and 0min - Average sunshine in December:
8h and 1min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days
Chamico, São Tomé and Príncipe
- Average sunshine days in January:
3.1 days - Average sunshine days in February:
3.8 days - Average sunshine days in March:
5.3 days - Average sunshine days in April:
6.2 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
16.4 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
8 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
2.7 days - Average sunshine days in November:
2 days - Average sunshine days in December:
1.5 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index
Chamico, São Tomé and Príncipe
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover
Chamico, São Tomé and Príncipe
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility
Chamico, São Tomé and Príncipe
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
