May Weather in Grundarfjoerdur

Last updated: March 2, 2024

The weather in Grundarfjoerdur, Iceland, during May is characterized by an average temperature of 6°C (42°F). Highs can soar to 10°C (51°F), while lows may dip to 1°C (33°F). Typically, the humidity level in Grundarfjoerdur throughout May hovers around 87%.

1°C (33°F)

Minimum temperature

6°C (42°F)

Average temperature

10°C (51°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In May, Grundarfjoerdur averages 80 mm (3.1 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 18 hours 50 minutes of daylight, with the sun shining for approximately 11 hours 3 minutes each day. Additionally, there is a 48% probability of sunny days during this period.

80 mm (3.1 inches)

Precipitation

14 rainy days

Rainy days

11 hours 3 minutes

Sunshine hours

48%

Chance of sun

UV Index

In May, the UV Index in Grundarfjoerdur reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	2	3	4	4	5	5	4	4	3	2	1
Exposure	Low			Moderate								Low
Time to burn	45 min			30 min								45 min