World Resorts Costa Rica Santa Teresa Weather

Santa Teresa weather in May

Weather in Santa Teresa: May

Average day temperature: 84.8°F
Average night temperature: 78.9°F
Sea water temperature: 85.3°F
Number of sunny days: 2 days
Day length: 12.5 - 12.6 hours
Number of rainy days: 10 days
Precipitation totals: 4.1 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 76°F. Daily and nightly averages during May were 84.0°F and 79.7°F.

Sea water temperature in Santa Teresa in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 86.2°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.1°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Santa Teresa in May is 4.1 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 4.8 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 4.6.

Best time for vacation in Santa Teresa

Sunniest months:
February 23 days
March 21 days
January 20 days
Warmest months:
February 87.6 °F
March 87.6 °F
April 86.9 °F
Warmest sea temp:
May 85.4 °F
April 85.0 °F
June 84.5 °F
Coldest months:
November 81.0 °F
October 81.4 °F
June 82.0 °F
Rainiest months:
June 16 days
August 15 days
October 13 days
Windiest months:
February 7.1 mph
March 6.2 mph
January 6.0 mph

Santa Teresa on a weather map

Santa Teresa
+79°F
W 2 mph
Feels like: +84°F
Precip.: 100%
Places in Costa Rica:
Name
°F
+61°F
+79°F
+73°F
+73°F
+73°F
+73°F
+75°F
+57°F
+79°F
+79°F
+75°F
+57°F
24 Hours Forecast
Santa Teresa
Local time: 21:36
December 05, friday
0000
79°F
W
2 mph
0300
77°F
SW
6 mph
0600
77°F
SW
7 mph
0900
81°F
W
7 mph
1200
82°F
NW
7 mph
1500
82°F
NW
7 mph
1800
79°F
NW
5 mph
2100
79°F
NW
5 mph
Units of measurement: °C / °F