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 sea temperature 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
The average high-temperature is a comfortable 16.8°C (62.2°F) in May, hardly different from the 14.6°C (58.3°F) recorded in April. During May, Ondarroa witnesses a consistent average low-temperature of 11.2°C (52.2°F).Humidity
In May, the average relative humidity in Ondarroa, Spain, is 81%.Rainfall
In May, the rain falls for 20.7 days. Throughout May, 76mm (2.99") of precipitation is accumulated. In Ondarroa, during the entire year, the rain falls for 214.2 days and collects up to 837mm (32.95") of precipitation.Snowfall
In Ondarroa, snow does not fall in April through November.Sea temperature
In Ondarroa, Spain, the average seawater temperature in May is 16.3°C (61.3°F).Note: Most people find swimming in 16.3°C (61.3°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.
Daylight
In May, the average length of the day is 14h and 42min.On the first day of the month, sunrise is at 07:01 and sunset at 21:11. On the last day of May, in Ondarroa, sunrise is at 06:32 and sunset at 21:42 CEST.
Sunshine
The average sunshine in May is 8.5h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the average May temperature in Ondarroa?
What is the average humidity in May in Ondarroa?
How many days does it rain in May in Ondarroa?
When it does not snow in Ondarroa?
What is the sea temperature in May in Ondarroa?
What is the average length of the day in May in Ondarroa?
When are sunrise and sunset in May in Ondarroa?
How many hours of sunshine does Ondarroa have in May?
What are the months with the highest UV index in Ondarroa?
What is the UV index reading in May in Ondarroa?
Average temperature in May
Ondarroa, Spain
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in May: 11.2°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in May
Ondarroa, Spain
- Average pressure in May: 1017.4mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Ondarroa, Spain
- Average wind speed in May: 12.4km/h
The windiest month (with the highest average wind speed) is November (16.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in May
Ondarroa, Spain
- Average humidity in May: 81%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Ondarroa, Spain
- Average rainfall in May: 76mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in May
Ondarroa, Spain
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is October (14.8 days).
Average snowfall in May
Ondarroa, Spain
- Average snowfall in May: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Ondarroa, Spain
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Ondarroa, Spain
- Average sea temperature in May: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight in May /
Average sunshine in May
Ondarroa, Spain
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).
Average sunshine days in May
Ondarroa, Spain
- Average sunshine days in May: 6.8 days
The month with the most sunshine days is October (13.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in May
Ondarroa, Spain
- Average UV index in May: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in May
Ondarroa, Spain
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Ondarroa, Spain
- Average visibility in May: 9km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).
Ondarroa, Spain
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