Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The average temperatures in Stykkishólmur reach their apex in July, averaging 12.1°C (53.8°F) at the high end and 8.3°C (46.9°F) at the low end.Humidity
In July, the average relative humidity is 80%.Rainfall
The month with the least rainfall is July, when the rain falls for 11.1 days and typically collects 17mm (0.67") of precipitation.Snowfall
June through September are months without snowfall.Sea temperature
In Stykkishólmur, in July, the average water temperature is 9.8°C (49.6°F).Note: Dipping in 9.8°C (49.6°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In Stykkishólmur, Iceland, the average length of the day in July is 20h and 8min.On the first day of July in Stykkishólmur, sunrise is at 02:45 and sunset at 00:24. On the last day of the month, sunrise is at 04:27 and sunset at 22:47 GMT.
Sunshine
The average sunshine in July is 5h.UV index
June through August, with an average maximum UV index of 3, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during July leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the hottest time of year in Stykkishólmur?
What is the usual temperature for Stykkishólmur in July?
What is the average humidity in July in Stykkishólmur?
What is the driest month in Stykkishólmur?
How much does it rain in Stykkishólmur in July?
When it does not snow in Stykkishólmur?
What is the sea water temperature in July in Stykkishólmur?
How many hours of daylight does Stykkishólmur have in July?
When is the sunrise / sunset in July in Stykkishólmur?
How many hours of sunshine does Stykkishólmur have in July?
When is the highest UV index in Stykkishólmur?
What is the UV index reading in July in Stykkishólmur?
Average temperature in July
Stykkishólmur, Iceland
- Average high temperature in July: 12.1°C
The warmest month (with the highest average high temperature) is July (12.1°C).
The month with the lowest average high temperature is December (0.7°C).
- Average low temperature in July: 8.3°C
The month with the highest average low temperature is July (8.3°C).
The coldest months (with the lowest average low temperature) are February and December (-1.8°C).
Average pressure in July
Stykkishólmur, Iceland
- Average pressure in July: 1010.2mbar
The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.7mbar).
Average wind speed in July
Stykkishólmur, Iceland
- Average wind speed in July: 15.1km/h
The windiest month (with the highest average wind speed) is February (25.9km/h).
The calmest month (with the lowest average wind speed) is June (14.6km/h).
Average humidity in July
Stykkishólmur, Iceland
- Average humidity in July: 80%
The months with the highest relative humidity are January, February and October (83%).
The month with the lowest relative humidity is May (77%).
Average rainfall in July
Stykkishólmur, Iceland
- Average rainfall in July: 17mm
The wettest month (with the highest rainfall) is January (40mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in July
Stykkishólmur, Iceland
- Average rainfall days in July: 11.1 days
The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in July
Stykkishólmur, Iceland
- Average snowfall in July: 0mm
The month with the highest snowfall is March (97mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in July
Stykkishólmur, Iceland
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in July
Stykkishólmur, Iceland
- Average sea temperature in July: 9.8°C
The best month for swimming (with the highest average sea temperature) is August (10.3°C).
The coldest month (with the lowest average sea temperature) is March (2.1°C).
Average daylight in July /
Average sunshine in July
Stykkishólmur, Iceland
- Average daylight in July: 20h and 1min
The month with the longest days is June (Average daylight: 21h and 42min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in July: 5h and 0min
The month with the most sunshine is May (Average sunshine: 7h and 18min).
The month with the least sunshine is June (Average sunshine: 0h and 48min).
Average sunshine days in July
Stykkishólmur, Iceland
- Average sunshine days in July: 16.8 days
The months with the most sunshine days are June and July (16.8 days).
The month with the least sunshine days is March (9.1 days).
Average UV index in July
Stykkishólmur, Iceland
- Average UV index in July: 3
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).
Average cloud cover in July
Stykkishólmur, Iceland
- Average cloud cover in July: 62
The month with the most cloud cover is March (Cloud cover 72).
The months with the least cloud cover are May and June (Cloud cover 61).
Average visibility in July
Stykkishólmur, Iceland
- Average visibility in July: 10km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).
Stykkishólmur, Iceland
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