May weather forecastIwanuma, Japan
May
Weather in May
The last month of the spring, May, is a refreshing month in Iwanuma, Japan, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 19.5°C (67.1°F).Temperature
May brings a rise in the average high-temperature, transitioning from April's refreshing 13.5°C (56.3°F) to an enjoyable 19.5°C (67.1°F). An average low-temperature of 11.8°C (53.2°F) marks the nights in Iwanuma, Japan throughout May.Humidity
In Iwanuma, the average relative humidity in May is 73%.Rainfall
In Iwanuma, Japan, in May, it is raining for 10.2 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, in Iwanuma, there are 141.6 rainfall days, and 753mm (29.65") of precipitation is accumulated.Snowfall
In Iwanuma, snow does not fall in May through November.Daylight
The average length of the day in May is 14h and 14min.On the first day of May in Iwanuma, Japan, sunrise is at 04:39 and sunset at 18:27. On the last day of the month, sunrise is at 04:15 and sunset at 18:52 JST.
Sunshine
May has the most sunshine of the year in Iwanuma, with an average of 9.6h of sunshine.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Iwanuma, Japan
- Average high temperature in May: 19.5°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in May: 11.8°C
The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is February (-1.2°C).
Average pressure in May
Iwanuma, Japan
- Average pressure in May: 1012mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in May
Iwanuma, Japan
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (8.4km/h).
Average humidity in May
Iwanuma, Japan
- Average humidity in May: 73%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Iwanuma, Japan
- Average rainfall in May: 63mm
The wettest month (with the highest rainfall) is July (118mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in May
Iwanuma, Japan
- Average rainfall days in May: 10.2 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in May
Iwanuma, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is January (67mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Iwanuma, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Iwanuma, Japan
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in May
Iwanuma, Japan
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in May
Iwanuma, Japan
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in May
Iwanuma, Japan
- Average cloud cover in May: 35
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in May
Iwanuma, Japan
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
