May weather forecastRello, Spain
May
Weather in May
May, the last month of the spring in Rello, is a comfortable month, with an average temperature fluctuating between 6.3°C (43.3°F) and 17.2°C (63°F).Temperature
The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from 13.4°C (56.1°F) in April to a still refreshing 17.2°C (63°F). Rello experiences a steady low-temperature of 6.3°C (43.3°F) throughout May.Humidity
In May, the average relative humidity in Rello is 71%.Rainfall
In May, in Rello, Spain, the rain falls for 15.3 days. Throughout May, 52mm (2.05") of precipitation is accumulated. In Rello, during the entire year, the rain falls for 124.1 days and collects up to 386mm (15.2") of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows in Rello. During 0.3 snowfall days, in May, Rello aggregates 2mm (0.08") of snow. Throughout the year, there are 26 snowfall days, and 306mm (12.05") of snow is accumulated.Daylight
In Rello, Spain, the average length of the day in May is 14h and 31min.On the first day of May in Rello, sunrise is at 07:07 and sunset at 21:08. On the last day of the month, sunrise is at 06:40 and sunset at 21:37 CEST.
Sunshine
In May, the average sunshine is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rello, Spain
- Average high temperature in May: 17.2°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in May
Rello, Spain
- Average pressure in May: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Rello, Spain
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest months (with the lowest average wind speed) are July, August and September (9.2km/h).
Average humidity in May
Rello, Spain
- Average humidity in May: 71%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Rello, Spain
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is December (16mm).
Average rainfall days in May
Rello, Spain
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in May
Rello, Spain
- Average snowfall in May: 2mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Rello, Spain
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rello, Spain
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Rello, Spain
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in May
Rello, Spain
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Rello, Spain
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Rello, Spain
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).





