Keflavík in may: average Weather, Temperature and Climate
Weather in Keflavík in may 2025
The weather in Keflavík in may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
very bad weather 13.7cm
Weather at 6am
45°F
Cloudy
25% of time
21%
21%
19%
Weather at 12pm
47°F
Clear/Sunny
26% of time
23%
22%
22%
Weather at 6pm
47°F
Clear/Sunny
25% of time
25%
23%
21%
Weather at 3am
45°F
23%
21%
21%
18%
Evolution of daily average temperature and precipitation in Keflavík in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Keflavík in may.
The climate of Keflavík in may is very bad
the weather in Keflavík in may is wet (with 5in of precipitation over 8 days). This is better than the previous month since in april it receives an average of 5.8in of precipitation over 10 days.
The climate is rather more than very fresh around this city may. Do not forget to cover yourself! Temperatures are up to 47°F. In the morning the temperature drops to 43°F. Thus, the mean temperature average on this month of may in Keflavík is 45°F. Note that these seasonal averages are in contrast with those observed in Keflavík in the month of may with a maximum record of 56°F in 2009 and a minimum record of 31°F in 2013.
On average, in Keflavík, the days of may last 18:23. The sun rises at 04:16 and sunset is at 22:39.
With a bad climate, this month is not recommended to go in this city.
Seasonal average climate and temperature of Keflavík in may
Check below seasonal norms These datas are compiled from the weather statements of the last years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 45°F | ||||
| Highest temperature | 47°F | ||||
| Lowest temperature | 43°F | ||||
| Highest record temperature | 56°F (2009) | ||||
| Lowest record temperature | 31°F (2013) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 45°F | ||||
| Lowest sea temperature | 42°F | ||||
| Highest sea temperature | 48°F | ||||
| Wind | |||||
| Wind speed | 30km/h | ||||
| Wind temperature | 36°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5in | ||||
| Number of days with rainfall | 8 day(s) (26%) | ||||
| Record daily rainfall | 1.5in (2017) | ||||
| Snowfall | 13.7cm | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 9.03km | ||||
| Cloud cover | 58% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 16 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:16 | ||||
| Time of sunset | 22:39 | ||||
| Length of day | 18:23 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last may?
Here is the day by day recorded weather in Keflavík in may 2024:
40°F to 45°F
41°F to 45°F
43°F to 47°F
43°F to 45°F
41°F to 43°F
41°F to 45°F
41°F to 43°F
40°F to 45°F
40°F to 45°F
43°F to 47°F
47°F to 50°F
47°F to 49°F
45°F to 49°F
38°F to 47°F
43°F to 45°F
43°F to 47°F
40°F to 47°F
40°F to 49°F
38°F to 47°F
41°F to 45°F
41°F to 45°F
41°F to 43°F
40°F to 47°F
47°F to 49°F
45°F to 50°F
49°F to 54°F
49°F to 54°F
49°F to 54°F
43°F to 49°F
45°F to 49°F
45°F to 47°F
Map: other cities in Iceland in may
Cities near Keflavík:
| Vogar in may | very bad weather |
| Suðurnesjabær in may | very bad weather |
| Grindavík in may | very bad weather |
| Seltjarnarnes in may | very bad weather |
| Kopavogur in may | very bad weather |
| Reykjavík in may | very bad weather |
| Akranes in may | very bad weather |
| Mosfellsbaer in may | very bad weather |
| Hveragerdi in may | very bad weather |
| Borgarnes in may | very bad weather |
| Thingvellir in may | very bad weather |
| Selfoss in may | very bad weather |
Click over cities on the map for information about the weather in may.
Keflavík
perfect weather
good
tolerable
bad
very bad
Weather data for Keflavík in may:
Weather data for Keflavík for may are derived from an average of the weather forecast since 2009 in Keflavík. There is a margin of error and these forecasts are to be considered as general information only. The weather in Keflavík can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Keflavík.