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Tamarindo weather in August

Weather in Tamarindo: August

Average day temperature: 82.6°F
Average night temperature: 76.2°F
Sea water temperature: 84.1°F
Number of sunny days: 2 days
Day length: 12.3 - 12.6 hours
Number of rainy days: 12 days
Precipitation totals: 6.3 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during August were 83.9°F and 76.2°F.

Sea water temperature in Tamarindo in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 83.7°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Tamarindo in August is 6.3 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 4.6 mph It makes August one of the least windy months of the year.

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 August is: 5.2.

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