Costa Rica
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Dominical, Costa Rica

  • The average high temperature in May: 30°C

Warmest months (with the highest average high temperature) are March and April (31°C).
Months with the lowest average high temperature are November and December (28°C).

  • The average low temperature in May: 23°C

The month with the highest average low temperature is April (24°C).
Coldest months (with the lowest average low temperature) are November and December (21°C).

  • The average rainfall in May: 374mm

The wettest month (with the highest rainfall) is October (599mm).
The driest month (with the lowest rainfall) is February (24mm).

  • The average rainfall days in May: 17 days

Months with the highest number of rainy days are June, August and September (22 days).
The month with the lowest number of rainy days is March (7 days).

  • The average sea temperature in May: 29°C

Best months for swimming (with the highest average sea temperature) are March, April, May, June, August and September (29°C).
Coldest months (with the lowest average sea temperature) are January, February, July, October, November and December (28°C).

  • The average daylight in May: 13h

Months with the longest days are May, June and July (Average daylight: 13h).
Months with shortest days are January, February, March, April, August, September, October, November and December (Average daylight: 12h).

  • The average sunshine in May: 6h

The month with most sunshine is March (Average sunshine: 8h).
Months with least sunshine are September and October (Average sunshine: 5).

  • The average UV index in May: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).