May weather forecast
Koshigaya, Japan

May

Weather in May

The last month of the spring, May, is a warm month in Koshigaya, Japan, with an average temperature ranging between max 23.6°C (74.5°F) and min 15.6°C (60.1°F).

Temperature

Koshigaya in May experiences an increase in the average high-temperature, moving from April's comfortable 18°C (64.4°F) to a moderately hot 23.6°C (74.5°F). Throughout May, the nighttime temperature in Koshigaya averages to a moderate 15.6°C (60.1°F).

Humidity

The average relative humidity in May in Koshigaya is 68%.

Rainfall

In Koshigaya, in May, during 13.3 rainfall days, 73mm (2.87") of precipitation is typically accumulated. Throughout the year, in Koshigaya, Japan, there are 167.3 rainfall days, and 870mm (34.25") of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Daylight

In May, the average length of the day in Koshigaya is 14h and 4min.
On the first day of the month, sunrise is at 04:48 and sunset at 18:27. On the last day of May, in Koshigaya, sunrise is at 04:25 and sunset at 18:51 JST.

Sunshine

In Koshigaya, the average sunshine in May is 9.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the temperature in May in Koshigaya?
May temperatures vary between a high-temperature of 23.6°C (74.5°F) and a low-temperature of 15.6°C (60.1°F).
What is the average humidity in May in Koshigaya?
The average relative humidity in May in Koshigaya is 68%.
How much does it rain in Koshigaya in May?
In May, the rain falls for 13.3 days. Throughout May, 73mm (2.87") of precipitation is accumulated.
When it does not snow in Koshigaya?
In Koshigaya, snow does not fall in April through December.
How many hours of daylight does Koshigaya have in May?
In May, the average day length in Koshigaya, Japan, is 14h and 4min.
When are sunrise and sunset in May in Koshigaya?
On the first day of May in Koshigaya, sunrise is at 04:48 and sunset at 18:27. On the last day of the month, sunrise is at 04:25 and sunset at 18:51 JST.
How long on average sun shines in May in Koshigaya?
In Koshigaya, Japan, the average sunshine duration in May is 9.3h.
What is the UV index reading in May in Koshigaya?
The average daily maximum UV index in May in Koshigaya, Japan, is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Koshigaya, Japan
  • Average high temperature in May: 23.6°C

The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in May: 15.6°C

The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in May
Koshigaya, Japan
  • Average pressure in May: 1012mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in May
Koshigaya, Japan
  • Average wind speed in May: 11.4km/h

The windiest month (with the highest average wind speed) is April (12.6km/h).
The calmest month (with the lowest average wind speed) is November (9.5km/h).

Average humidity in May
Koshigaya, Japan
  • Average humidity in May: 68%

The month with the highest relative humidity is July (76%).
The month with the lowest relative humidity is January (59%).

Average rainfall in May
Koshigaya, Japan
  • Average rainfall in May: 73mm

The wettest month (with the highest rainfall) is October (121mm).
The driest month (with the least rainfall) is December (33mm).

Average rainfall days in May
Koshigaya, Japan
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in May
Koshigaya, Japan
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (30mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Koshigaya, Japan
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.4 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
Koshigaya, Japan
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in May
Koshigaya, Japan
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.1 days).
The months with the least sunshine days are June and July (9.2 days).

Average UV index in May
Koshigaya, Japan
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in May
Koshigaya, Japan
  • Average cloud cover in May: 37

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 27).

Average visibility in May
Koshigaya, Japan
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).

englishespañol中文
Share