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
May
Weather in May
Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a comfortable 16.5°C (61.7°F) in April to an agreeable 22.3°C (72.1°F). Isaccea records a consistent low-temperature of 12.9°C (55.2°F) during May nights.Humidity
In Isaccea, Romania, the average relative humidity in May is 64%.Rainfall
In Isaccea, during May, the rain falls for 12.3 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, in Isaccea, there are 99.3 rainfall days, and 251mm (9.88") of precipitation is accumulated.Snowfall
In Isaccea, snow does not fall in April through October.Daylight
In Isaccea, Romania, the average length of the day in May is 14h and 53min.On the first day of the month, sunrise is at 05:53 and sunset at 20:12. On the last day of May, in Isaccea, sunrise is at 05:21 and sunset at 20:45 EEST.
Sunshine
The average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Isaccea?
What is the average humidity in May in Isaccea?
How many days does it rain in May in Isaccea?
When it does not snow in Isaccea?
What is the average length of the day in May in Isaccea?
When are sunrise and sunset in May in Isaccea?
How long on average sun shines in May in Isaccea?
What is the UV index intensity in May in Isaccea?
Average temperature in May
Isaccea, Romania
- Average high temperature in May: 22.3°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in May: 12.9°C
The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in May
Isaccea, Romania
- Average pressure in May: 1013.3mbar
The month with the highest atmospheric pressure is November (1019.7mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in May
Isaccea, Romania
- Average wind speed in May: 13.4km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in May
Isaccea, Romania
- Average humidity in May: 64%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (50%).
Average rainfall in May
Isaccea, Romania
- Average rainfall in May: 22mm
The wettest month (with the highest rainfall) is June (29mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in May
Isaccea, Romania
- Average rainfall days in May: 12.3 days
The months with the highest number of rainy days are May and June (12.3 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in May
Isaccea, Romania
- Average snowfall in May: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Isaccea, Romania
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Isaccea, Romania
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Isaccea, Romania
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is June (16 days).
Average UV index in May
Isaccea, Romania
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Isaccea, Romania
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Isaccea, Romania
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
