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's onset witnesses a shift in the average high-temperature, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 65.1°F (18.4°C). Rockford documents a marked decrease from day to night, with an average low of 41.2°F (5.1°C) throughout May.Humidity
The average relative humidity in May is 65%.Rainfall
In Rockford, in May, during 12.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Rockford, during the entire year, the rain falls for 125.4 days and collects up to 17.28" (439mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Rockford. During 0.2 snowfall days, in May, Rockford aggregates 0.04" (1mm) of snow. In Rockford, during the entire year, snow falls for 56.4 days and aggregates up to 37.4" (950mm) of snow.Daylight
In Rockford, Washington, the average length of the day in May is 15h and 8min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:00 pm. On the last day of May, in Rockford, sunrise is at 4:55 am and sunset at 8:37 pm PDT.
Sunshine
The average sunshine in May is 10.3h.UV index
In Rockford, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the average May temperature in Rockford?
What is the average humidity in May in Rockford?
How many days does it rain in May in Rockford?
What is the last month it snows in Rockford?
How many hours of daylight does Rockford have in May?
When are sunrise and sunset in May in Rockford?
How long on average sun shines in May in Rockford?
What is the UV index intensity in May in Rockford?
Average temperature in May
Rockford, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in May: 41.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in May
Rockford, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Rockford, WA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in May
Rockford, WA
- Average humidity in May: 65%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
Rockford, WA
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in May
Rockford, WA
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in May
Rockford, WA
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Rockford, WA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Rockford, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in May
Rockford, WA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in May
Rockford, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Rockford, WA
- Average cloud cover in May: 34
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Rockford, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Rockford, Washington, USA
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