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 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
May brings a slight increase in the average high-temperature, progressing from a mild 55.9°F (13.3°C) in April to an enjoyable 64°F (17.8°C). Throughout May, Graham registers a consistent average low-temperature of 42.8°F (6°C).Humidity
The average relative humidity in May is 76%.Rainfall
In May, in Graham, the rain falls for 13.8 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. In Graham, during the entire year, the rain falls for 172.9 days and collects up to 32.28" (820mm) of precipitation.Snowfall
In Graham, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 6min.On the first day of May, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:56 pm PDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Graham, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What are the temperatures in Graham in May?
What is the average humidity in May in Graham?
How much does it rain in Graham in May?
When it does not snow in Graham?
Does it snow in Graham in May?
How many hours of daylight does Graham have in May?
When is the sunrise / sunset in May in Graham?
How many hours of sunshine does Graham have in May?
What is the UV index reading in May in Graham?
Average temperature in May
Graham, WA
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in May: 42.8°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Graham, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Graham, WA
- Average wind speed in May: 4.2mph
The windiest months (with the highest average wind speed) are January and March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in May
Graham, WA
- Average humidity in May: 76%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Graham, WA
- Average rainfall in May: 1.85"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Graham, WA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in May
Graham, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Graham, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Graham, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Graham, WA
- Average sunshine days in May: 15 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is November (9.3 days).
Average UV index in May
Graham, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Graham, WA
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Graham, WA
- Average visibility in May: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Graham, Washington, USA
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