Climate Insights for San Luis

Costa Rica

Hottest
March
29°C peak84°F peak
Coldest
January
22°C low72°F low
Wettest
October
832 mm rain32.7 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in San Luis is warm and mild. The average annual temperature is 25°C and approximately 5,689 mm of precipitation falls per year. San Luis receives a notable amount of rainfall throughout the year, including during its driest month. San Luis sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in San Luis is warm and mild. The average annual temperature is 77°F and approximately 224 in of precipitation falls per year. San Luis receives a notable amount of rainfall throughout the year, including during its driest month. San Luis sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 28°Average: 25°Min: 22°FebMax: 29°Average: 26°Min: 23°MarMax: 29°Average: 26°Min: 23°AprMax: 28°Average: 25°Min: 23°MayMax: 28°Average: 25°Min: 23°JunMax: 27°Average: 25°Min: 23°JulMax: 27°Average: 25°Min: 23°AugMax: 27°Average: 25°Min: 23°SepMax: 27°Average: 25°Min: 23°OctMax: 27°Average: 24°Min: 23°NovMax: 27°Average: 24°Min: 23°DecMax: 27°Average: 25°Min: 22°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 82°FAverage: 77°FMin: 72°FFebMax: 84°FAverage: 78°FMin: 73°FMarMax: 84°FAverage: 78°FMin: 73°FAprMax: 83°FAverage: 78°FMin: 74°FMayMax: 82°FAverage: 77°FMin: 74°FJunMax: 81°FAverage: 77°FMin: 74°FJulMax: 81°FAverage: 77°FMin: 74°FAugMax: 81°FAverage: 76°FMin: 73°FSepMax: 81°FAverage: 76°FMin: 73°FOctMax: 80°FAverage: 76°FMin: 73°FNovMax: 80°FAverage: 76°FMin: 73°FDecMax: 81°FAverage: 76°FMin: 72°F
Max
Average
Min

San Luis has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.San Luis has relatively stable temperatures year-round, staying within a 12°F range. The warmest month is March, when average highs reach 84°F and the mean temperature sits around 78°F. January is the coolest month, with minimum temperatures around 72°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 9°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mm400mm450mm500mm550mm600mm650mm700mm750mm800mm850mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 124mmFebPrecipitation: 64mmMarPrecipitation: 90mmAprPrecipitation: 245mmMayPrecipitation: 585mmJunPrecipitation: 669mmJulPrecipitation: 690mmAugPrecipitation: 757mmSepPrecipitation: 724mmOctPrecipitation: 832mmNovPrecipitation: 624mmDecPrecipitation: 285mm
Precipitation
0in2in4in6in8in10in12in14in16in18in20in22in24in26in28in30in32inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 4.9inFebPrecipitation: 2.5inMarPrecipitation: 3.5inAprPrecipitation: 9.7inMayPrecipitation: 23inJunPrecipitation: 26.3inJulPrecipitation: 27.1inAugPrecipitation: 29.8inSepPrecipitation: 28.5inOctPrecipitation: 32.7inNovPrecipitation: 24.6inDecPrecipitation: 11.2in
Precipitation

San Luis is a very wet location, receiving approximately 5,689 mm of precipitation annually, which averages out to around 474 mm per month. The wettest month is October, averaging 832 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 64 mm. That's 768 mm 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.San Luis is a very wet location, receiving approximately 224 in of precipitation annually, which averages out to around 18.7 in per month. The wettest month is October, averaging 32.8 in of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 2.5 in. That's 30.2 in 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/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5km/hFebWind Speed: 6km/hMarWind Speed: 6km/hAprWind Speed: 5km/hMayWind Speed: 5km/hJunWind Speed: 5km/hJulWind Speed: 5km/hAugWind Speed: 5km/hSepWind Speed: 5km/hOctWind Speed: 5km/hNovWind Speed: 5km/hDecWind Speed: 5km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 3mphFebWind Speed: 4mphMarWind Speed: 4mphAprWind Speed: 3mphMayWind Speed: 3mphJunWind Speed: 3mphJulWind Speed: 3mphAugWind Speed: 3mphSepWind Speed: 3mphOctWind Speed: 3mphNovWind Speed: 3mphDecWind Speed: 3mph
Wind Speed

San Luis is relatively calm, with an average annual wind speed of 5km/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 6km/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 conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.San Luis is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Monthly Climate Data

The table below shows monthly climate averages for San Luis 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.The table below shows monthly climate averages for San Luis based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). 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
22 °C72 °F
28 °C82 °F
5 km/h3 mph
124 mm4.9 in
0 cm0 in
Feb
23 °C73 °F
29 °C84 °F
6 km/h4 mph
64 mm2.5 in
0 cm0 in
Mar
23 °C73 °F
29 °C84 °F
6 km/h4 mph
90 mm3.5 in
0 cm0 in
Apr
23 °C74 °F
28 °C83 °F
5 km/h3 mph
245 mm9.7 in
0 cm0 in
May
23 °C74 °F
28 °C82 °F
5 km/h3 mph
585 mm23 in
0 cm0 in
Jun
23 °C74 °F
27 °C81 °F
5 km/h3 mph
669 mm26.3 in
0 cm0 in
Jul
23 °C74 °F
27 °C81 °F
5 km/h3 mph
690 mm27.1 in
0 cm0 in
Aug
23 °C73 °F
27 °C81 °F
5 km/h3 mph
757 mm29.8 in
0 cm0 in
Sep
23 °C73 °F
27 °C81 °F
5 km/h3 mph
724 mm28.5 in
0 cm0 in
OctCurrent
23 °C73 °F
27 °C80 °F
5 km/h3 mph
832 mm32.7 in
0 cm0 in
Nov
23 °C73 °F
27 °C80 °F
5 km/h3 mph
624 mm24.6 in
0 cm0 in
Dec
22 °C72 °F
27 °C81 °F
5 km/h3 mph
285 mm11.2 in
0 cm0 in