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Contents
- The climate of Formiga
- The best time to visit Formiga
- The worst time to visit Formiga
- Spring weather in Formiga
- Summer weather in Formiga
- Autumn weather in Formiga
- Winter weather in Formiga
- 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
The climate of Formiga
Placement on the globe and overall climate characteristics create distinct monthly patterns for Formiga, São Tomé and Príncipe, encoded in the Köppen climate classification as As - a tropical wet and dry or savanna type with a pronounced 'summer' dry season. Unraveling this classification reveals stable temperatures, immense rainfall levels, and variable wind speeds.
A delicate variance in monthly temperatures harbors a degree or two difference between peaks and troughs throughout the year. The average high temperature hovers from 24.5°C (76.1°F) to 28.8°C (83.8°F), while the low temperature fluctuates from 23°C (73.4°F) to 27.5°C (81.5°F), demonstrating the tropical nature of this climate. Humidity remains relatively constant year-round between 76% and 83%.
Rainfall in Formiga, measured both in millimeters and the number of rainy days, enjoys an undulating pattern. There are periods with a deluge of rain, reaching up to 224mm (8.82") in November with an average of 26.7 days of rain, followed by markedly dry months, noticeably from June to September, with just 9mm (0.35") to 35mm (1.38") of precipitations spread over 7.3 to 15.8 days.
A delicate variance in monthly temperatures harbors a degree or two difference between peaks and troughs throughout the year. The average high temperature hovers from 24.5°C (76.1°F) to 28.8°C (83.8°F), while the low temperature fluctuates from 23°C (73.4°F) to 27.5°C (81.5°F), demonstrating the tropical nature of this climate. Humidity remains relatively constant year-round between 76% and 83%.
Rainfall in Formiga, measured both in millimeters and the number of rainy days, enjoys an undulating pattern. There are periods with a deluge of rain, reaching up to 224mm (8.82") in November with an average of 26.7 days of rain, followed by markedly dry months, noticeably from June to September, with just 9mm (0.35") to 35mm (1.38") of precipitations spread over 7.3 to 15.8 days.
The best time to visit Formiga
Seasonal shifting paints the ideal period to visit Formiga between June and September. During this span, reduced rainfall delights visitors as precipitation ranges from 9mm (0.35") to 35mm (1.38") over 7.3 to 15.8 days. Be prepared to bask in warm temperatures with an average high encompassing from 24.5°C (76.1°F) to 25.6°C (78.1°F) and a low from 23°C (73.4°F) to 24.3°C (75.7°F). With 6 to 6.4 sunshine hours per day on average and the sun visible for all 12.1 daylight hours, plenty of opportunities for outdoor activities present themselves. Wind speeds moderate during these months, settling between 16.8km/h (10.4mph) to 17.7km/h (11mph).
The worst time to visit Formiga
Experts advise against planning a visit to Formiga from October to January as the city encounters its heaviest rainfall, amounting from 159mm (6.26") to 224mm (8.82") across 24.7 to 28.6 rainy days. While temperatures remain welcoming, ranging in high from 26.4°C (79.5°F) to 28°C (82.4°F) and low from 25.5°C (77.9°F) to 27°C (80.6°F), relentless rain and high humidity at 81% to 83% could curtail outdoor activities. Furthermore, reduced sunshine hours, between 6.7h to 8.2h, and lower visibility, down from 9km (5.6mi) to 10km (6.2mi), present less-than-optimal touristic conditions.
Spring weather in Formiga
Spring in Formiga, stretching from March to May, denotes an escalation in temperature, with the high averaging 27.8°C (82°F) to 28.8°C (83.8°F) and the low oscillating between 26.3°C (79.3°F) to 27.5°C (81.5°F). Humidity remains constant at approximately 79% and rainfall starts to slacken, settling between 100mm (3.94") to 130mm (5.12") over 22 to 24.4 days. Sunshine hours range from 7.6h to 8.4h, bathing Formiga in ample light during the 12.1 daylight hours.
Summer weather in Formiga
Formiga witnesses summer from June to August, characterized by a slight dip in temperatures with highs oscillating from 24.5°C (76.1°F) to 25.6°C (78.1°F) and lows from 23°C (73.4°F) to 24.3°C (75.7°F). A pronounced drop in rainfall enlivens this period as precipitation plummets to 9mm (0.35") to 22mm (0.87") over just 7.3 to 12.8 days. A notable drop in sunshine hours to 5h to 6.4h coupled with a hike in wind speeds up to 17.6km/h (10.9mph) to 17.7km/h (11mph) marks these months.
Autumn weather in Formiga
Taking a breeze through autumn months from September to November in Formiga, one can notice temperatures' mild rise, with the high shifting from 25.5°C (77.9°F) to 27.1°C (80.8°F) and the low from 24.6°C (76.3°F) to 26.2°C (79.2°F). However, rainfall storms back with vengeance, escalating from 35mm (1.38") to 224mm (8.82") spread across 15.8 to 26.7 days. Average sunshine hours swing between 5.4h to 7h, ensuring enough light during the standard 12.1 daylight hours.
Winter weather in Formiga
Winter in Formiga, spanning December and January, maintains a consistent rainfall of 130mm (5.12") to 159mm (6.26"), dispersed over 27.1 to 28.6 rainy days. Temperatures keep themselves comfortable with a high between 27.5°C (81.5°F) to 28°C (82.4°F) and a low between 26.6°C (79.9°F) to 27°C (80.6°F). Average sunshine hours stand at 8.2h in December and dwindle slightly to 8h in January while wind speeds taper off to 10.8km/h (6.7mph) to 11.1km/h (6.9mph), making for a calmer end to the year.
Weather in January
Moving into the early days of the year in Formiga, São Tomé and Príncipe, one can expect stable temperature ranges. While weather patterns largely remain consistent across the period, January introduces the year with a substantial amount of rainfall, standing at 130mm (5.12") for the entire month. Weather in January »
Weather in February
Compared to January, February carries forward the weather trends with minor fluctuations. A noteworthy trait of weather in Formiga, São Tomé and Príncipe during February is the relative drop in monthly rainfall, lessening to 100mm (3.94"). Weather in February »
Weather in March
In March, the city of Formiga experiences a minor boost in several weather factors. The most apparent progress involves rainfall that swells up to 119mm (4.69"), bringing in slightly more wet days than February. However, these are also days of longer sun exposure and more warmth in the air. Weather in March »
Weather in April
April in Formiga, São Tomé and Príncipe ushers in changes subtly distinct from March. Elevated rainfall of 126mm (4.96") and a marginally increased minimum average temperature reflect a wetter and warmer atmosphere. This, combined with adequate daylight hours, ensures a comfortable, tropical experience. Weather in April »
Weather in May
The month of May brings visible transformations to the weather in Formiga. With reduced temperature highs dipping to 27.8°C (82°F) and a minor rise in relative humidity to 79%, it can be said that May introduces a comfortable balance between warmth and humidity. Weather in May »
Weather in June
True to the tropical climate, there is a considerable shift in Formiga’s weather during June. There is significantly less rainfall and a significant reduction in average high temperatures, which now stand at 25.6°C (78.1°F). Simultaneously, cloud cover increases more noticeably, contributing to a cooler atmosphere. Weather in June »
Weather in July
The transition from June to July in Formiga exhibits minimal variations. A noteworthy fact in July is the absolute minimal rainfall of 9mm (0.35") for the month, making it one of the driest periods of the year. The UV index takes a dip, indicating slightly less strong sunrays. Weather in July »
Weather in August
As Formiga, São Tomé and Príncipe move into August, the weather dynamics bring in a semblance of the rainy season seen at the start of the year. The distinct marker of this transition is the rainfall which jumps up to 21mm (0.83"). Weather in August »
Weather in September
September carries over the essence of August weather, with minor adjustments in various parameters. The return of the rainy season is validated with a significant increase in rainfall up to 35mm (1.38"). There is a slight cooling phenomenon with the minimum temperature rising subtly in contrast to the drop in maximum average temperature. Weather in September »
Weather in October
October signifies a salient shift towards heavy rainfall in Formiga, amounting to 220mm (8.66") across the month. Despite this steep rise in precipitation, the temperature averages and extent of sunshine remain stable, ensuring the city’s tropical comfort is not compromised. Weather in October »
Weather in November
Coming to November, the most striking aspect is the heavy rainfall. Formiga records its peak rainfall for the year at 224mm (8.82") during this month. Despite this, the sky is relatively clear; the city records lower cloud coverage than the previous month. Weather in November »
Weather in December
Rounding out the year, Formiga’s weather story in December shows continuance from November with a slight easing in multiple areas. The rainfall recedes to 159mm (6.26"), a definitive decline from the preceding month’s peak. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Formiga?
In Formiga, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.
What is the month with the highest UV index in Formiga?
January through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Formiga.
What month has the most sunshine in Formiga?
With an average of 8.6h of sunshine, February has the most sunshine of the year.
What month is the hottest in Formiga?
March is the month that records the highest temperatures in Formiga, São Tomé and Príncipe, with averages ranging from a high of 28.8°C (83.8°F) to a low of 27.5°C (81.5°F).
What is the least humid month in Formiga?
With an average relative humidity of 76%, March is the least humid month.
When are the longest days in Formiga?
With an average of 12h and 6min of daylight, June has the longest days of the year in Formiga, São Tomé and Príncipe.
What are the coldest months in Formiga?
The month of July, characterized by an average high of 24.5°C (76.1°F) and a low of 23°C (73.4°F), is recognized as the coldest in Formiga.
What is the driest month in Formiga?
The month with the least rainfall in Formiga, São Tomé and Príncipe, is July, when the rain falls for 8.4 days and typically collects 9mm (0.35") of precipitation.
When is the lowest UV index in Formiga?
The month with the lowest UV index in Formiga, São Tomé and Príncipe, is July, with an average maximum UV index of 5.
What is the most humid month in Formiga?
The months with the highest humidity are August through October, with an average relative humidity of 83%.
What is the month with the least sunshine in Formiga?
The month with the least sunshine in Formiga is August, with an average of 5h of sunshine.
What is the wettest month in Formiga?
November is the month with the most rainfall in Formiga. Rain falls for 26.7 days and accumulates 224mm (8.82") of precipitation.
What is the month with the shortest days in Formiga?
With an average of 12h and 6min of daylight, November has the shortest days of the year in Formiga, São Tomé and Príncipe.
Is there Daylight Saving Time (DST) in Formiga?
Formiga, São Tomé and Príncipe, does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.
Average temperature
Formiga, 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
Formiga, 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
Formiga, 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
Formiga, 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
Formiga, 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
Formiga, 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
Formiga, 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 month with the shortest days is November (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
Formiga, 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
Formiga, 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
Formiga, 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
Formiga, 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).
Formiga, São Tomé and Príncipe
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