Climate and monthly weather forecastUpala, Costa Rica
Climate and monthly weather forecast
The climate of Upala
Upala, located in Costa Rica, falls under the Köppen climate classification 'Aw', signifying a tropical wet and dry climate - or as it is frequently known, savanna. This small city experiences relatively high temperatures throughout the year, with the monthly average maximum temperatures ranging from 27.4°C (81.3°F) to 32.2°C (90°F). The average minimum temperature stays within a narrow, warm range from 21.8°C (71.2°F) to 24.4°C (75.9°F). Consequently, the diurnal temperature variation is minor, giving the days and nights a pleasantly consistent warmth.This region isn't just known for this heat; it also bears witness to high humidity levels, varying from 74% to 86% throughout the year. The high moisture content in the atmosphere adds to the warmth and typical thick, tropical sensation. On the rainfall front, the months from May to November see significant rain, with the highest volumes recorded during the months of September and October, 257mm (10.12") and 225mm (8.86") respectively. Understandably, cloud cover is at a maximum during these months, ranging from 50 to 60%. An interesting divergence comes between rainfall and sunshine hours. Despite May being the start of the heavy rain period, it also has generous sunshine levels of 7.5 hours per day.
The best time to visit Upala
Given the year-long warmth, but considering the significant rainfall from May to November, the optimal time for a visit Upala would arguably be during the dry period, specifically from December to April.During these months, rainfall subsides considerably, staying between 24mm (0.94") to 39mm (1.54"), making outdoor activities far more enjoyable. Moreover, the pleasantly warm temperatures range from a low of 21.8°C (71.2°F) to a high of 32.2°C (90°F), with relative humidity dipping to a more comfortable 74%. The sun shines for 6.9 to 7.7 hours per day, providing ample time to explore and experience this tropical savanna climate at its best.
The worst time to visit Upala
On the flip side, the period from May to November, particularly September and October, could be considered the least favorable for a visit. This period is marked by heavy rainfall, ranging from 171mm (6.73") to 257mm (10.12") per month. The frequent showers and high humidity might disrupt outdoor plans. While the temperatures remain high, floating between 28.9°C (84°F) to 31.2°C (88.2°F), the increased cloud cover, reaching up to 60%, and lesser sunshine durations of 7.3 to 8.1 hours per day make these months less appealing for visitors seeking sun-soaked adventures.Spring weather in Upala
In Upala, the spring season, from March to May, signals the onset of the rainy period. The rainfall starts to amp up, especially in May, when it reaches 171mm (6.73"), up from 28mm (1.1") in April. Despite this, March and April still offer 6.9 to 7.7 hours of sunshine per day, decreasing to 7.5 hours a day in May. Temperatures continue to be warm, with highs of up to 32.2°C (90°F) in April, and night-time lows of 23.4°C (74.1°F) to 24.4°C (75.9°F).Summer weather in Upala
Summer in Upala, from June to August, is characterized by substantial rain, with June seeing the highest precipitation of 229mm (9.02"). Even with these heavy rains, temperatures maintain their warmth, ranging from 28.9°C (84°F) to 29.8°C (85.6°F). Sunshine hours drop slightly during this period, down to 7.3 to 8.5 hours a day, whilst relative humidity climbs to around 84%.Autumn weather in Upala
Through the autumn months of September to November, rainfall remains high. September sees the heaviest rainfall at 257mm (10.12"), while November rounds off the rainy season with 168mm (6.61"). Temperatures remain high from 28.4°C (83.1°F) to 29.8°C (85.6°F), and sunshine durations start to drop slightly to an average of 6.2 to 8.1 hours per day.Winter weather in Upala
During the winter months of December to February, the rainfall decreases significantly down to 27mm (1.06") to 39mm (1.54") per month, right in time with the traditional holiday season. The long, sunny days return with an average of 6 hours of sunshine. With the highest temperatures averaging between 27.4°C (81.3°F) to 28.6°C (83.5°F) and night-time lows around 21.8°C (71.2°F) to 21.9°C (71.4°F), this season offers an appealing reprieve from snow-laden winters elsewhere. The relative humidity takes a breath, receding from its peak to the yearly low of 81% in February, making winter an inviting season to enjoy all the outdoor activities Upala has to offer.Weather in January
Comparatively, January in Upala, Costa Rica experiences cooler temperatures when put side by side with February. The transition from a cooler to a warmer month is characterized by a moderate increase in temperature. Relative humidity is somewhat high, often leading to drizzly conditions. Weather in January »Weather in February
Comparing previous and next month, February's weather in Upala, Costa Rica trends toward warmth, setting the tone for the hotter months ahead. This warming trend is supplemented by a moderate reduction in cloud coverage, permitting more sunshine and thus, causing a slight uptick in ultraviolet index ratings. Weather in February »Weather in March
March in Upala, Costa Rica sees a continuation in the warming patterns observed in February. The temperatures rise slightly alongside a decrease in relative humidity, leading to a bit less moisture in the environment. Fewer than half the days in this month are overcast, making for a sunny and pleasant atmosphere most of the time. Weather in March »Weather in April
Weather patterns in April in the city of Upala, Costa Rica, are much more pronounced than those in March and foreshadow the arrival of May. April sees the highest temperature of the year at 32.2°C (90°F), heralding the commencement of the hot season in this region. Weather in April »Weather in May
Weather conditions in May in Upala, Costa Rica, change rather drastically when compared to April and anticipate the climate of June. The significant increase in rainfall during May demonstrates the arrival of the rainy season, characterized by frequent but short-lived downpours. Weather in May »Weather in June
In contrast with May, the weather in Upala, Costa Rica, in June, indicates a slow gradual decrease in temperature and a drop in average sunshine hours. Rainfall picks up in intensity symbolizing the peak of the wet season. The sky is predominantly cloudy and overcast while relative humidity peaks. Weather in June »Weather in July
July weather in Upala, Costa Rica, somewhat mimics the pattern observed in June, hinting towards an imminent change in August. There is minimal fluctuation in temperature, indicating steadiness in the weather patterns. Humidity remains fairly high due to the continuous rain showers. Weather in July »Weather in August
The weather for August in Upala, Costa Rica, slightly deviates from July trends, alluding to subtle transformations leading up to September. Marginally lower rainfall in August contrasts the preceding wet months with heavy downpours. Weather in August »Weather in September
Weather in September in Upala, Costa Rica, marks the transition from the wet months of the summer to the drier autumn months. A significant decrease in rainfall promptly changes the city's weather characteristics. Also, while the overall temperature and humidity remain stable, the average number of sunshine hours increases slightly. Weather in September »Weather in October
Upala, Costa Rica, experiences a unique weather pattern in October as it differs from September and anticipates the weather conditions in November. There's a noteworthy rise in rainfall, making October the year's wettest month. Weather in October »Weather in November
Weather in November in Upala, Costa Rica, serves as a bridge between the wettest period of the year and drier times to come in December. A switch from a more thunderous weather pattern to more benign conditions starts to take place. Weather in November »Weather in December
Weather conditions in December in Upala, Costa Rica, differ from November and hark back to the state seen early in the year. As the year wraps up, the city experiences a decrease in temperature and heading back to the cooler realm. Weather in December »Updated: Jan 26, 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
In Upala, Costa Rica, during the entire year, the rain falls for 295.8 days and collects up to 1656mm (65.2") of precipitation.
January has the least sunshine of the year in Upala, with an average of 4.6h of sunshine.
January, February, July, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Upala, Costa Rica.
March is the month with the least rainfall. Rain falls for 17.3 days and accumulates 24mm (0.94") of precipitation.
March through June, August and September, with an average maximum UV index of 7, are months with the highest UV index.
The warmest month in Upala is April, with an average high-temperature of 32.2°C (90°F) and an average low-temperature of 23.4°C (74.1°F).
The least humid month in Upala is April, with an average relative humidity of 74%.
June has the longest days of the year in Upala, Costa Rica, with an average of 12h and 48min of daylight.
With an average of 8.5h of sunshine, June has the most sunshine of the year in Upala, Costa Rica.
The months with the highest humidity in Upala, Costa Rica, are July and December, with an average relative humidity of 86%.
The month with the most rainfall in Upala is October, when the rain falls for 29.2 days and typically aggregates up to 257mm (10.12") of precipitation.
December tends to be the coldest month, with temperatures averaging a daily high of 27.4°C (81.3°F) and a low of 22.3°C (72.1°F).
With an average of 11h and 30min of daylight, December has the shortest days of the year in Upala, Costa Rica.
Upala does not utilize Daylight Saving Time (DST). CST timezone is used throughout the entire year.
Average temperature
Upala, Costa Rica
The warmest month (with the highest average high temperature) is April (32.2°C).
The month with the lowest average high temperature is December (27.4°C).
The month with the highest average low temperature is May (24.4°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).
Average pressure
Upala, Costa Rica
- Average pressure in January:
1012.3mbar - Average pressure in February:
1012mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1011.1mbar - Average pressure in May:
1010.8mbar - Average pressure in June:
1010.8mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1011mbar - Average pressure in September:
1010.7mbar - Average pressure in October:
1010.4mbar - Average pressure in November:
1010.9mbar - Average pressure in December:
1011.6mbar
The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.4mbar).
Average wind speed
Upala, Costa Rica
- Average wind speed in January:
13.8km/h - Average wind speed in February:
14.2km/h - Average wind speed in March:
14.4km/h - Average wind speed in April:
12.4km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
9.1km/h
- Average wind speed in July:
11.2km/h - Average wind speed in August:
9.3km/h - Average wind speed in September:
7.7km/h - Average wind speed in October:
8km/h - Average wind speed in November:
9.9km/h - Average wind speed in December:
12.6km/h
The windiest month (with the highest average wind speed) is March (14.4km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity
Upala, Costa Rica
The months with the highest relative humidity are July and December (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Upala, Costa Rica
- Average rainfall in January:
39mm - Average rainfall in February:
27mm - Average rainfall in March:
24mm - Average rainfall in April:
28mm - Average rainfall in May:
171mm - Average rainfall in June:
229mm
- Average rainfall in July:
225mm - Average rainfall in August:
226mm - Average rainfall in September:
176mm - Average rainfall in October:
257mm - Average rainfall in November:
168mm - Average rainfall in December:
86mm
The wettest month (with the highest rainfall) is October (257mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days
Upala, Costa Rica
- Average rainfall days in January:
21.8 days - Average rainfall days in February:
18 days - Average rainfall days in March:
17.3 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
25.5 days - Average rainfall days in June:
28.9 days
- Average rainfall days in July:
30 days - Average rainfall days in August:
29.3 days - Average rainfall days in September:
28.6 days - Average rainfall days in October:
29.2 days - Average rainfall days in November:
25.3 days - Average rainfall days in December:
24.4 days
The month with the highest number of rainy days is July (30 days).
The month with the least rainy days is March (17.3 days).
Average daylight / Average sunshine
Upala, Costa Rica
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 48min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 54min - Average sunshine in April:
7h and 42min - Average sunshine in May:
7h and 30min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
7h and 18min - Average sunshine in August:
7h and 24min - Average sunshine in September:
8h and 6min - Average sunshine in October:
7h and 36min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 36min
The month with the most sunshine is June (Average sunshine: 8h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Upala, Costa Rica
- Average sunshine days in January:
5.6 days - Average sunshine days in February:
7.2 days - Average sunshine days in March:
10.7 days - Average sunshine days in April:
9.5 days - Average sunshine days in May:
3.7 days - Average sunshine days in June:
0.5 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
1 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
0.8 days - Average sunshine days in November:
3.5 days - Average sunshine days in December:
4.2 days
The month with the most sunshine days is March (10.7 days).
The month with the least sunshine days is July (0.4 days).
Average UV index
Upala, Costa Rica
The months with the highest UV index are March, April, May, June, August and September (UV index 7).
The months with the lowest UV index are January, February, July, October, November and December (UV index 6).
Average cloud cover
Upala, Costa Rica
The month with the most cloud cover is July (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 39).
Average visibility
Upala, Costa Rica
The months with the highest visibility are February, March and April (10km).
The months with the lowest visibility are January, May, June, July, August, September, October, November and December (9km).
