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Tamarindo weather in May

Weather in Tamarindo: May

Average day temperature: 86.5°F
Average night temperature: 79.5°F
Sea water temperature: 85.0°F
Number of sunny days: 6 days
Day length: 12.5 - 12.7 hours
Number of rainy days: 6 days
Precipitation totals: 2.9 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 92°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during May were 86.8°F and 79.6°F.

Sea water temperature in Tamarindo in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 85.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.6°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in May, in.

Precipitation total value in Tamarindo in May is 2.9 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 5.5 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: 6.4.

Best time for vacation in Tamarindo

Sunniest months:
January 27 days
March 27 days
February 26 days
Warmest months:
April 88.8 °F
March 88.8 °F
February 87.9 °F
Warmest sea temp:
May 85.1 °F
June 84.5 °F
April 84.3 °F
Coldest months:
November 81.2 °F
October 81.3 °F
September 82.2 °F
Rainiest months:
June 14 days
September 12 days
August 12 days
Windiest months:
February 8.9 mph
January 8.1 mph
March 7.5 mph

Tamarindo on a weather map

Tamarindo
+79°F
W 3 mph
Feels like: +82°F
Precip.: 0%
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
Tamarindo
Local time: 22:11
December 05, friday
0000
75°F
W
6 mph
0300
73°F
W
6 mph
0600
73°F
W
4 mph
0900
79°F
W
7 mph
1200
84°F
SW
2 mph
1500
84°F
NE
2 mph
1800
79°F
NE
4 mph
2100
77°F
NW
4 mph
Units of measurement: °C / °F