Climate Insights for Santa Cruz

Santa Cruz, Provincia de Guanacaste, Costa Rica

Hottest
April
36°C peak
Coldest
December
23°C low
Wettest
October
379mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Santa Cruz is hot. The average annual temperature is 27°C and approximately 2093mm of precipitation falls per year. October is the wettest month, receiving around 379mm of rainfall. Santa Cruz is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, February. The coldest months are December, January, November, when temperatures can drop to 23°C.

Temperature

0° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 33° Average: 27° Min: 23° Feb Max: 34° Average: 28° Min: 23° Mar Max: 35° Average: 29° Min: 24° Apr Max: 36° Average: 29° Min: 24° May Max: 33° Average: 28° Min: 25° Jun Max: 31° Average: 26° Min: 24° Jul Max: 31° Average: 27° Min: 24° Aug Max: 31° Average: 27° Min: 23° Sep Max: 31° Average: 26° Min: 23° Oct Max: 30° Average: 26° Min: 23° Nov Max: 30° Average: 26° Min: 23° Dec Max: 31° Average: 26° Min: 23°
Max
Average
Min

Santa Cruz sees moderate temperature variation throughout the year, ranging from 23°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 29°C. December is the coolest month, with minimum temperatures around 23°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 10mm Feb Precipitation: 3mm Mar Precipitation: 8mm Apr Precipitation: 40mm May Precipitation: 253mm Jun Precipitation: 369mm Jul Precipitation: 215mm Aug Precipitation: 267mm Sep Precipitation: 333mm Oct Precipitation: 379mm Nov Precipitation: 179mm Dec Precipitation: 38mm
Precipitation

Santa Cruz is a very wet location, receiving approximately 2093mm of precipitation annually, which averages out to around 174mm per month. The wettest month is October, averaging 379mm of rainfall. June and September also tend to see above-average precipitation. The driest month is February, with just 3mm. That's 376mm 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 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 13km/h Feb Wind Speed: 15km/h Mar Wind Speed: 13km/h Apr Wind Speed: 9km/h May Wind Speed: 6km/h Jun Wind Speed: 5km/h Jul Wind Speed: 7km/h Aug Wind Speed: 6km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 7km/h Dec Wind Speed: 11km/h
Wind Speed

Santa Cruz 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 February, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 9km/h in spring, 6km/h in summer, 5km/h in autumn.

Seasons

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

87 days until Winter

It is currently autumn in Santa Cruz, which began on September 23, 2026. Santa Cruz 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 April at around 36°C, while the coldest stretch bottoms out in December near 23°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 24 to 36°C. Precipitation is moderate at around 300mm for the season, averaging 100mm per month. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 850mm across the season with a monthly average of 283mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 891mm across the season with a monthly average of 297mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 34°C. Rainfall is relatively light, with around 51mm over the season and a monthly average of 17mm. Winds are generally light, averaging 13km/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 Santa Cruz 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
33 °C
13 km/h
10 mm
0 cm
Feb
23 °C
34 °C
15 km/h
3 mm
0 cm
Mar
24 °C
35 °C
13 km/h
8 mm
0 cm
Apr
24 °C
36 °C
9 km/h
40 mm
0 cm
May
25 °C
33 °C
6 km/h
253 mm
0 cm
Jun
24 °C
31 °C
5 km/h
369 mm
0 cm
Jul
24 °C
31 °C
7 km/h
215 mm
0 cm
Aug
23 °C
31 °C
6 km/h
267 mm
0 cm
Sep Current
23 °C
31 °C
5 km/h
333 mm
0 cm
Oct
23 °C
30 °C
5 km/h
379 mm
0 cm
Nov
23 °C
30 °C
7 km/h
179 mm
0 cm
Dec
23 °C
31 °C
11 km/h
38 mm
0 cm
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Metric (°C, km/h)