July weather forecastHafnir, Iceland
July
Weather in July
July, the same as June, is a cool summer month in Hafnir, Iceland, with an average temperature fluctuating between 12.2°C (54°F) and 9.9°C (49.8°F).Temperature
July and August mark Hafnir's peak of temperatures, averaging a high-temperature of 12.2°C (54°F).Humidity
July and August, with an average relative humidity of 81%, are the most humid months.Rainfall
In Hafnir, in July, it is raining for 14.8 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, in Hafnir, there are 193.9 rainfall days, and 833mm (32.8") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hafnir.Daylight
In July, the average length of the day in Hafnir is 19h and 28min.On the first day of the month, sunrise is at 03:14 and sunset at 23:54. On the last day of July, sunrise is at 04:38 and sunset at 22:35 GMT.
Sunshine
In July, the average sunshine is 7.5h.UV index
The month with the highest UV index in Hafnir is July, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in July interprets into the following advice:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hafnir, Iceland
- Average high temperature in July: 12.2°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in July: 9.9°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in July
Hafnir, Iceland
- Average pressure in July: 1009.4mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in July
Hafnir, Iceland
- Average wind speed in July: 20.3km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in July
Hafnir, Iceland
- Average humidity in July: 81%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in July
Hafnir, Iceland
- Average rainfall in July: 46mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in July
Hafnir, Iceland
- Average rainfall days in July: 14.8 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in July
Hafnir, Iceland
- Average snowfall in July: 0mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Hafnir, Iceland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Hafnir, Iceland
- Average daylight in July: 19h and 30min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in July: 7h and 30min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in July
Hafnir, Iceland
- Average sunshine days in July: 14.7 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in July
Hafnir, Iceland
- Average UV index in July: 4
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in July
Hafnir, Iceland
- Average cloud cover in July: 60
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in July
Hafnir, Iceland
- Average visibility in July: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).





