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 sea temperature 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
With the transition into May, Onomichi experiences an increase in average high-temperatures, moving up from a comfortable 16.9°C (62.4°F) in April to a pleasant 22.4°C (72.3°F). During the May nights, an average temperature of 13.1°C (55.6°F) is observed in Onomichi.Humidity
May is the least humid month, with an average relative humidity of 71%.Rainfall
In Onomichi, in May, it is raining for 8.4 days, with typically 23mm (0.91") of accumulated precipitation. In Onomichi, during the entire year, the rain falls for 118.5 days and collects up to 329mm (12.95") of precipitation.Snowfall
In Onomichi, snow does not fall in March through November.Sea temperature
In Onomichi, the average seawater temperature in May is 18.1°C (64.6°F).Note: Most individuals do not find swimming at 18.1°C (64.6°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
The average length of the day in May in Onomichi is 13h and 58min.On the first day of May in Onomichi, sunrise is at 05:17 and sunset at 18:51. On the last day of the month, sunrise is at 04:56 and sunset at 19:13 JST.
Sunshine
In May, the average sunshine is 9.7h.UV index
In Onomichi, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Onomichi in May?
What is the least humid month in Onomichi?
What is the average humidity in May in Onomichi?
How much does it rain in Onomichi in May?
When it does not snow in Onomichi?
What is the sea temperature in May in Onomichi?
What is the average length of the day in May in Onomichi?
When are sunrise and sunset in May in Onomichi?
How long on average sun shines in May in Onomichi?
How high is the UV index in May in Onomichi?
Average temperature in May
Onomichi, Japan
- Average high temperature in May: 22.4°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in May: 13.1°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in May
Onomichi, Japan
- Average pressure in May: 1012.1mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in May
Onomichi, Japan
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is June (6.9km/h).
Average humidity in May
Onomichi, 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
Onomichi, Japan
- Average rainfall in May: 23mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in May
Onomichi, Japan
- Average rainfall days in May: 8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Onomichi, Japan
- Average snowfall in May: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Onomichi, Japan
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Onomichi, Japan
- Average sea temperature in May: 18.1°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in May /
Average sunshine in May
Onomichi, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in May
Onomichi, Japan
- Average sunshine days in May: 21.6 days
The month with the most sunshine days is May (21.6 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in May
Onomichi, 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
Onomichi, Japan
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Onomichi, Japan
- Average visibility in May: 9km
The month with the highest visibility is January (10km).
The months with the lowest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
Onomichi, Japan
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