July weather forecastKeldur, Iceland
July
Weather in July
July, like June, in Keldur, Iceland, is a cool summer month, with an average temperature ranging between max 12.3°C (54.1°F) and min 9.7°C (49.5°F).Temperature
Keldur sees the highest average temperatures during the months of July and August, peaking at 12.3°C (54.1°F).Humidity
With an average relative humidity of 82%, July is the most humid month.Rainfall
In Keldur, in July, during 17 rainfall days, 53mm (2.09") of precipitation is typically accumulated. Throughout the year, in Keldur, Iceland, there are 215.2 rainfall days, and 1116mm (43.94") of precipitation is accumulated.Snowfall
In Keldur, snow does not fall in June through September.Daylight
In Keldur, the average length of the day in July is 19h and 24min.On the first day of the month, sunrise is at 03:06 and sunset at 23:41. On the last day of July, in Keldur, sunrise is at 04:29 and sunset at 22:23 GMT.
Sunshine
The months with the most sunshine in Keldur are May through July, with an average of 8.6h of sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in July interprets into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Keldur, Iceland
- Average high temperature in July: 12.3°C
The warmest months (with the highest average high temperature) are July and August (12.3°C).
The month with the lowest average high temperature is December (4.5°C).
- Average low temperature in July: 9.7°C
The months with the highest average low temperature are July and August (9.7°C).
The coldest months (with the lowest average low temperature) are March and December (1.9°C).
Average pressure in July
Keldur, Iceland
- Average pressure in July: 1009.3mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.8mbar).
Average wind speed in July
Keldur, Iceland
- Average wind speed in July: 19.5km/h
The windiest month (with the highest average wind speed) is February (34.7km/h).
The calmest month (with the lowest average wind speed) is July (19.5km/h).
Average humidity in July
Keldur, Iceland
- Average humidity in July: 82%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is December (73%).
Average rainfall in July
Keldur, Iceland
- Average rainfall in July: 53mm
The wettest month (with the highest rainfall) is January (130mm).
The driest month (with the least rainfall) is June (48mm).
Average rainfall days in July
Keldur, Iceland
- Average rainfall days in July: 17 days
The month with the highest number of rainy days is September (21.5 days).
The month with the least rainy days is June (15 days).
Average snowfall in July
Keldur, Iceland
- Average snowfall in July: 0mm
The month with the highest snowfall is March (115mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Keldur, Iceland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is March (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Keldur, Iceland
- Average daylight in July: 19h and 24min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in July: 8h and 36min
The months with the most sunshine are May, June and July (Average sunshine: 8h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in July
Keldur, Iceland
- Average sunshine days in July: 11.9 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in July
Keldur, 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, October, November and December (UV index 2).
Average cloud cover in July
Keldur, Iceland
- Average cloud cover in July: 56
The month with the most cloud cover is March (Cloud cover 65).
The months with the least cloud cover are May and August (Cloud cover 55).
Average visibility in July
Keldur, Iceland
- Average visibility in July: 9km
The months with the highest visibility are May and June (10km).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (9km).
