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 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 advent of May, Haines's high-temperatures adjust to a still refreshing 66.2°F (19°C), closely aligning with the preceding month. Haines's nighttime temperature during May is consistently averaged at a fresh 54.9°F (12.7°C).Humidity
In Haines, the average relative humidity in May is 67%.Rainfall
In Haines, during May, the rain falls for 3.4 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Haines, during the entire year, the rain falls for 47.4 days and collects up to 7.36" (187mm) of precipitation.Daylight
The average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:41 pm. On the last day of May, sunrise is at 5:45 am and sunset at 8:03 pm PDT.
Sunshine
In Haines, the average sunshine in May is 11.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Haines, CA
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The months with the lowest average high temperature are February and December (59.9°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in May
Haines, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in May
Haines, CA
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).
Average humidity in May
Haines, CA
- Average humidity in May: 67%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in May
Haines, CA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is January (1.38").
The driest months (with the least rainfall) are June and August (0.12").
Average rainfall days in May
Haines, CA
- Average rainfall days in May: 3.4 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is August (1.7 days).
Average daylight in May /
Average sunshine in May
Haines, CA
- 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: 11h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in May
Haines, CA
- Average sunshine days in May: 24.2 days
The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (22 days).
Average UV index in May
Haines, CA
- 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, April, November and December (UV index 4).
Average cloud cover in May
Haines, CA
- Average cloud cover in May: 13
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Haines, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Haines, California, USA
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