May weather forecastOkoppe, Japan
May
Weather in May
May, the last month of the spring in Okoppe, is a cool month, with temperature in the range of an average high of 11.9°C (53.4°F) and an average low of 5.3°C (41.5°F).Temperature
The start of May signals an increase in the average high-temperature, moving from a cold 5.7°C (42.3°F) in April to a fresh 11.9°C (53.4°F). Okoppe experiences an average low-temperature of 5.3°C (41.5°F) in the month of May.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 13.9 days. Throughout May, 48mm (1.89") of precipitation is accumulated. In Okoppe, during the entire year, the rain falls for 145.9 days and collects up to 766mm (30.16") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.2 snowfall days, in May, Okoppe aggregates 13mm (0.51") of snow. In Okoppe, during the entire year, snow falls for 114 days and aggregates up to 1412mm (55.59") of snow.Daylight
In May, the average length of the day is 14h and 48min.On the first day of the month, sunrise is at 04:17 and sunset at 18:31. On the last day of May, sunrise is at 03:46 and sunset at 19:04 JST.
Sunshine
The average sunshine in May in Okoppe is 7.8h.UV index
In Okoppe, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Okoppe, Japan
- Average high temperature in May: 11.9°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The months with the lowest average high temperature are January and February (-3.9°C).
- Average low temperature in May: 5.3°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in May
Okoppe, Japan
- Average pressure in May: 1010.1mbar
The month with the highest atmospheric pressure is October (1014.9mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in May
Okoppe, Japan
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in May
Okoppe, Japan
- Average humidity in May: 78%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in May
Okoppe, Japan
- Average rainfall in May: 48mm
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is April (40mm).
Average rainfall days in May
Okoppe, Japan
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is August (17.9 days).
The months with the least rainy days are January and February (4.5 days).
Average snowfall in May
Okoppe, Japan
- Average snowfall in May: 13mm
The month with the highest snowfall is January (289mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Okoppe, Japan
- Average snowfall days in May: 1.2 days
The month with the highest number of snowfall days is January (25.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Okoppe, Japan
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 48min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in May
Okoppe, Japan
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is May (13.9 days).
The month with the least sunshine days is December (2.8 days).
Average UV index in May
Okoppe, Japan
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March, November and December (UV index 1).
Average cloud cover in May
Okoppe, Japan
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is September (Cloud cover 41).
Average visibility in May
Okoppe, Japan
- Average visibility in May: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, March, June, July, August and December (8km).
