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
Belfast experiences an average high-temperature of a moderate 13.6°C (56.5°F) with the onset of May, subtly varied from April's 16.2°C (61.2°F). An average nighttime temperature of 6.4°C (43.5°F) is noted during the month of May.Humidity
In May, the average relative humidity is 78%.Rainfall
In Belfast, New Zealand, in May, during 8 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Belfast, New Zealand, during the entire year, the rain falls for 114.3 days and collects up to 300mm (11.81") of precipitation.Snowfall
In Belfast, snow does not fall in January through May, October through December.Daylight
In May, the average length of the day is 9h and 39min.On the first day of May, sunrise is at 7:21 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:02 pm NZST.
Sunshine
The average sunshine in May in Belfast is 7.5h.UV index
The months with the lowest UV index are April through September, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a regular UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Belfast in May?
What is the average humidity in May in Belfast?
How much does it rain in Belfast in May?
When it does not snow in Belfast?
Does it snow in Belfast in May?
How many hours of daylight does Belfast have in May?
When are sunrise and sunset in May in Belfast?
How many hours of sunshine does Belfast have in May?
What are the months with the lowest UV index in Belfast?
What is the UV index intensity in May in Belfast?
Average temperature in May
Belfast, New Zealand
- Average high temperature in May: 13.6°C
The warmest month (with the highest average high temperature) is January (21.3°C).
The month with the lowest average high temperature is July (10.3°C).
- Average low temperature in May: 6.4°C
The month with the highest average low temperature is January (11.9°C).
The coldest month (with the lowest average low temperature) is July (3.8°C).
Average pressure in May
Belfast, New Zealand
- Average pressure in May: 1012.8mbar
The month with the highest atmospheric pressure is March (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in May
Belfast, New Zealand
- Average wind speed in May: 13.4km/h
The windiest month (with the highest average wind speed) is January (15.3km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in May
Belfast, New Zealand
- Average humidity in May: 78%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is January (70%).
Average rainfall in May
Belfast, New Zealand
- Average rainfall in May: 21mm
The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in May
Belfast, New Zealand
- Average rainfall days in May: 8 days
The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is May (8 days).
Average snowfall in May
Belfast, New Zealand
- Average snowfall in May: 0mm
The month with the highest snowfall is August (5mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).
Average snowfall days in May
Belfast, New Zealand
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are June and August (0.3 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Belfast, New Zealand
- Average daylight in May: 9h and 4min
The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 0min).
- Average sunshine in May: 7h and 3min
The month with the most sunshine is December (Average sunshine: 10h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 6min).
Average sunshine days in May
Belfast, New Zealand
- Average sunshine days in May: 21.2 days
The month with the most sunshine days is May (21.2 days).
The month with the least sunshine days is November (17.3 days).
Average UV index in May
Belfast, New Zealand
- Average UV index in May: 3
The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are April, May, June, July, August and September (UV index 3).
Average cloud cover in May
Belfast, New Zealand
- Average cloud cover in May: 37
The month with the most cloud cover is June (Cloud cover 43).
The months with the least cloud cover are January, February, March and May (Cloud cover 37).
Average visibility in May
Belfast, New Zealand
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).
Belfast, New Zealand
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