Climate Insights for Rio Frio / Progreso Airport

Sarapiquí, Provincia de Heredia, Costa Rica

Hottest
September
29°C peak
Coldest
January
19°C low
Wettest
November
447mm rain
Best to Visit
March, April
Mild temps & low rain

Climate Overview

The climate in Rio Frio / Progreso Airport is warm and mild. The average annual temperature is 24°C and approximately 2949mm of precipitation falls per year. Rio Frio / Progreso Airport receives a notable amount of rainfall throughout the year, including during its driest month. Rio Frio / Progreso Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, May, June. The coldest months are January, February, March, when temperatures can drop to 19°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 25° Average: 22° Min: 19° Feb Max: 26° Average: 22° Min: 19° Mar Max: 27° Average: 23° Min: 20° Apr Max: 28° Average: 24° Min: 21° May Max: 29° Average: 24° Min: 22° Jun Max: 28° Average: 24° Min: 22° Jul Max: 28° Average: 24° Min: 22° Aug Max: 28° Average: 24° Min: 21° Sep Max: 29° Average: 24° Min: 21° Oct Max: 28° Average: 24° Min: 21° Nov Max: 27° Average: 23° Min: 21° Dec Max: 26° Average: 23° Min: 20°
Max
Average
Min

Rio Frio / Progreso Airport has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 19°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 196mm Feb Precipitation: 167mm Mar Precipitation: 81mm Apr Precipitation: 99mm May Precipitation: 293mm Jun Precipitation: 294mm Jul Precipitation: 282mm Aug Precipitation: 218mm Sep Precipitation: 212mm Oct Precipitation: 399mm Nov Precipitation: 447mm Dec Precipitation: 262mm
Precipitation

Rio Frio / Progreso Airport is a very wet location, receiving approximately 2949mm of precipitation annually, which averages out to around 246mm per month. The wettest month is November, averaging 447mm of rainfall. October and June also tend to see above-average precipitation. The driest month is March, with just 81mm. That's 365mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 10km/h Mar Wind Speed: 10km/h Apr Wind Speed: 9km/h May Wind Speed: 8km/h Jun Wind Speed: 7km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 7km/h Oct Wind Speed: 7km/h Nov Wind Speed: 7km/h Dec Wind Speed: 8km/h
Wind Speed

Rio Frio / Progreso Airport is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Rio Frio / Progreso Airport, which began on March 20, 2026. Rio Frio / Progreso Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 29°C, while the coldest stretch bottoms out in January near 19°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 20 to 29°C. Rainfall is heavy, totalling around 473mm across the season with a monthly average of 158mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 794mm across the season with a monthly average of 265mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1057mm across the season with a monthly average of 352mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 19 to 26°C. Rainfall is heavy, totalling around 625mm across the season with a monthly average of 208mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 22°
Mar 23°
Apr 24°
May 24°
Jun 24°
Jul 24°
Aug 24°
Sep 24°
Oct 24°
Nov 23°
Dec 23°

The best time to visit Rio Frio / Progreso Airport is during March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 90mm per month. By contrast, September can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 19°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Rio Frio / Progreso Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
19 °C
25 °C
9 km/h
196 mm
0 cm
Feb
19 °C
26 °C
10 km/h
167 mm
0 cm
Mar Current
20 °C
27 °C
10 km/h
81 mm
0 cm
Apr
21 °C
28 °C
9 km/h
99 mm
0 cm
May
22 °C
29 °C
8 km/h
293 mm
0 cm
Jun
22 °C
28 °C
7 km/h
294 mm
0 cm
Jul
22 °C
28 °C
8 km/h
282 mm
0 cm
Aug
21 °C
28 °C
8 km/h
218 mm
0 cm
Sep
21 °C
29 °C
7 km/h
212 mm
0 cm
Oct
21 °C
28 °C
7 km/h
399 mm
0 cm
Nov
21 °C
27 °C
7 km/h
447 mm
0 cm
Dec
20 °C
26 °C
8 km/h
262 mm
0 cm
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Metric (°C, km/h)