Siuna Weather in May

What's the weather like in Siuna (Atlántico Norte) in May 2025?

The climate in Siuna during May can be summarized as hot, humid and very wet.

May is in the spring in Siuna and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 22°C (72°F) is normal.

Siuna weather averages (imperial / metric)
Daytime temperature 31.1°C 87.9°F
Nightly temperature 22°C 71.5°F
Average temperature 26.5°C 79.7°F
Daily sunshine 8 hrs
Avg rainfall 231 mm 9.1 ins
Rainy days 16 days
Sea temperature 28.6°C 83.6°F
Humidity 88%
Windspeed 17.3kph 11 mph

On average May is the 6th wettest month of the year in Siuna with around 231mm 9.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

May temperatures in Siuna

Siuna average temperature in May

May rainfall

Siuna average rain in May

May hourly sunshine

Siuna average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Siuna in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Siuna weather stats

Siuna weather statistics
Hottest month: April 31.5°C 88.7°F
Driest month: March 36mm 1.4ins
Sunniest month: March 8.2hrs
Coldest month: December 28°C 82.4°F
Wettest month: June 394mm 15.5ins
Map showing location of Siuna (13.73321, -84.77725) Siuna map pin © Google

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