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
Weather in May
Temperature
Lannilis notes an average high-temperature of a still refreshing 15.6°C (60.1°F) in May, displaying minor variation from April. Throughout May, the nighttime temperature averages to a frosty 9.4°C (48.9°F).Humidity
In Lannilis, the average relative humidity in May is 81%.Rainfall
In May, the rain falls for 12.6 days. Throughout May, 30mm (1.18") of precipitation is accumulated. In Lannilis, during the entire year, the rain falls for 191.7 days and collects up to 567mm (22.32") of precipitation.Snowfall
In Lannilis, snow does not fall in April through October.Daylight
In May, the average length of the day in Lannilis is 15h and 16min.On the first day of the month, sunrise is at 06:57 and sunset at 21:33. On the last day of May, sunrise is at 06:20 and sunset at 22:11 CEST.
Sunshine
In Lannilis, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lannilis have in May?
How high is the UV index in May?
Average temperature in May
Lannilis, France
- Average high temperature in May: 15.6°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is February (9.6°C).
- Average low temperature in May: 9.4°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in May
Lannilis, France
- Average pressure in May: 1017.6mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in May
Lannilis, France
- Average wind speed in May: 16.6km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in May
Lannilis, France
- Average humidity in May: 81%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are April and September (80%).
Average rainfall in May
Lannilis, France
- Average rainfall in May: 30mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in May
Lannilis, France
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is December (19.5 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in May
Lannilis, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Lannilis, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lannilis, France
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Lannilis, France
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in May
Lannilis, France
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Lannilis, France
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in May
Lannilis, France
- Average visibility in May: 9km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (9km).
Lannilis, France
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