Climate Insights for Nandayure

Nandayure, Provincia de Guanacaste, Costa Rica

Hottest
March
34°C peak
Coldest
January
23°C low
Wettest
October
470mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Nandayure is hot. The average annual temperature is 27°C and approximately 2498mm of precipitation falls per year. October is the wettest month, receiving around 470mm of rainfall. Nandayure is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, April, February. The coldest months are January, December, November, when temperatures can drop to 23°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 32° Average: 27° Min: 23° Feb Max: 33° Average: 28° Min: 23° Mar Max: 34° Average: 28° Min: 24° Apr Max: 34° Average: 28° Min: 24° May Max: 31° Average: 27° Min: 24° Jun Max: 30° Average: 26° Min: 24° Jul Max: 30° Average: 26° Min: 24° Aug Max: 30° Average: 26° Min: 24° Sep Max: 30° Average: 26° Min: 23° Oct Max: 29° Average: 25° Min: 23° Nov Max: 30° Average: 26° Min: 23° Dec Max: 30° Average: 26° Min: 23°
Max
Average
Min

Nandayure sees moderate temperature variation throughout the year, ranging from 23°C to 34°C. The warmest month is March, when average highs reach 34°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 23°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 16mm Feb Precipitation: 3mm Mar Precipitation: 7mm Apr Precipitation: 82mm May Precipitation: 394mm Jun Precipitation: 390mm Jul Precipitation: 238mm Aug Precipitation: 288mm Sep Precipitation: 360mm Oct Precipitation: 470mm Nov Precipitation: 194mm Dec Precipitation: 57mm
Precipitation

Nandayure is a very wet location, receiving approximately 2498mm of precipitation annually, which averages out to around 208mm per month. The wettest month is October, averaging 470mm of rainfall. May and June also tend to see above-average precipitation. The driest month is February, with just 3mm. That's 467mm less than October, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 2km/h May Wind Speed: 1km/h Jun Wind Speed: 1km/h Jul Wind Speed: 1km/h Aug Wind Speed: 1km/h Sep Wind Speed: 1km/h Oct Wind Speed: 1km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Nandayure is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

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

92 days until Autumn

It is currently summer in Nandayure, which began on June 21, 2026. Nandayure 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 March at around 34°C, while the coldest stretch bottoms out in January near 23°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 24 to 34°C. Rainfall is heavy, totalling around 483mm across the season with a monthly average of 161mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 916mm across the season with a monthly average of 305mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 1024mm across the season with a monthly average of 341mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 33°C. Rainfall is relatively light, with around 76mm over the season and a monthly average of 25mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Nandayure 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
23 °C
32 °C
3 km/h
16 mm
0 cm
Feb
23 °C
33 °C
3 km/h
3 mm
0 cm
Mar
24 °C
34 °C
3 km/h
7 mm
0 cm
Apr
24 °C
34 °C
2 km/h
82 mm
0 cm
May
24 °C
31 °C
1 km/h
394 mm
0 cm
Jun Current
24 °C
30 °C
1 km/h
390 mm
0 cm
Jul
24 °C
30 °C
1 km/h
238 mm
0 cm
Aug
24 °C
30 °C
1 km/h
288 mm
0 cm
Sep
23 °C
30 °C
1 km/h
360 mm
0 cm
Oct
23 °C
29 °C
1 km/h
470 mm
0 cm
Nov
23 °C
30 °C
2 km/h
194 mm
0 cm
Dec
23 °C
30 °C
2 km/h
57 mm
0 cm
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