May weather forecastNiimi, Japan
May
Weather in May
The last month of the spring, May, is a pleasant month in Niimi, Japan, with an average temperature varying between 22.6°C (72.7°F) and 13.1°C (55.6°F).Temperature
In May, the meteorological conditions change with the average high-temperature moving from an enjoyable 16.8°C (62.2°F) in April to a pleasant 22.6°C (72.7°F). Niimi observes an average nighttime temperature of 13.1°C (55.6°F) during May.Humidity
May is the least humid month in Niimi, Japan, with an average relative humidity of 71%.Rainfall
In Niimi, during May, the rain falls for 10.5 days and regularly aggregates up to 31mm (1.22") of precipitation. In Niimi, during the entire year, the rain falls for 148 days and collects up to 439mm (17.28") of precipitation.Snowfall
April through November are months without snowfall in Niimi.Daylight
In Niimi, the average length of the day in May is 14h and 0min.On the first day of the month, sunrise is at 05:14 and sunset at 18:51. On the last day of May, sunrise is at 04:53 and sunset at 19:14 JST.
Sunshine
In Niimi, Japan, the average sunshine in May is 9.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Niimi, Japan
- Average high temperature in May: 22.6°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in May: 13.1°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in May
Niimi, Japan
- Average pressure in May: 1012.1mbar
The months with the highest atmospheric pressure are January and February (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in May
Niimi, Japan
- Average wind speed in May: 8km/h
The windiest month (with the highest average wind speed) is January (11.6km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).
Average humidity in May
Niimi, Japan
- Average humidity in May: 71%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Niimi, Japan
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (81mm).
The driest month (with the least rainfall) is November (12mm).
Average rainfall days in May
Niimi, Japan
- Average rainfall days in May: 10.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in May
Niimi, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Niimi, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Niimi, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Niimi, Japan
- Average sunshine days in May: 18.9 days
The month with the most sunshine days is May (18.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in May
Niimi, Japan
- 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
Niimi, Japan
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Niimi, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, August, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and September (9km).
