Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May begins with an average high-temperature of a still cold 5.3°C (41.5°F), reflecting close similarity to the preceding month. Nighttime temperatures record an average of 2.4°C (36.3°F) throughout May.Humidity
The months with the lowest humidity are May and December, with an average relative humidity of 80%.Rainfall
In Kópasker, during May, the rain falls for 12.2 days and regularly aggregates up to 32mm (1.26") of precipitation. In Kópasker, during the entire year, the rain falls for 151 days and collects up to 635mm (25") of precipitation.Snowfall
January through July, September through December are months with snowfall. In Kópasker, during May, snow falls for 7.1 days and regularly aggregates up to 47mm (1.85") of snow. In Kópasker, during the entire year, snow falls for 79.7 days and aggregates up to 632mm (24.88") of snow.Daylight
The month with the longest days is May, with an average of 19h and 30min of daylight.On the first day of the month, sunrise is at 04:16 and sunset at 21:48. On the last day of May, sunrise is at 02:07 and sunset at 23:59 GMT.
Sunshine
The month with the most sunshine is May, with an average of 6.8h of sunshine.UV index
In May, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in May?
What are the least humid months?
What is the average humidity in May?
How many days does it rain in May?
How many days does it snow in May?
When are the longest days?
What is the average length of the day in May?
When is the sunrise / sunset in May?
What month has the most sunshine?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Kópasker, Iceland
- Average high temperature in May: 5.3°C
The warmest month (with the highest average high temperature) is August (10.6°C).
The month with the lowest average high temperature is March (1.1°C).
- Average low temperature in May: 2.4°C
The month with the highest average low temperature is August (8.2°C).
The coldest month (with the lowest average low temperature) is March (-1.9°C).
Average pressure in May
Kópasker, Iceland
- Average pressure in May: 1013.4mbar
The month with the highest atmospheric pressure is June (1014.7mbar).
The month with the lowest atmospheric pressure is January (998.7mbar).
Average wind speed in May
Kópasker, Iceland
- Average wind speed in May: 21.6km/h
The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).
Average humidity in May
Kópasker, Iceland
- Average humidity in May: 80%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are May and December (80%).
Average rainfall in May
Kópasker, Iceland
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is June (24mm).
Average rainfall days in May
Kópasker, Iceland
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is March (8.2 days).
Average snowfall in May
Kópasker, Iceland
- Average snowfall in May: 47mm
The month with the highest snowfall is March (113mm).
The month with the least snowfall is August (0mm).
Average snowfall days in May
Kópasker, Iceland
- Average snowfall days in May: 7.1 days
The month with the highest number of snowfall days is March (13.3 days).
The month with the least snowfall days is August (0 days).
Average daylight in May /
Average sunshine in May
Kópasker, Iceland
- Average daylight in May: 19h and 3min
The month with the longest days is May (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 2h and 54min).
- Average sunshine in May: 6h and 5min
The month with the most sunshine is May (Average sunshine: 6h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in May
Kópasker, Iceland
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is June (14.6 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in May
Kópasker, Iceland
- Average UV index in May: 2
The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are January, February, March, October and December (UV index 1).
Average cloud cover in May
Kópasker, Iceland
- Average cloud cover in May: 65
The month with the most cloud cover is March (Cloud cover 74).
The month with the least cloud cover is June (Cloud cover 60).
Average visibility in May
Kópasker, Iceland
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, November and December (8km).
