May weather forecast
Hiram, ME

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Weather in May

The last month of the spring, May, is an enjoyable month in Hiram, Maine, with an average temperature ranging between min 43.3°F (6.3°C) and max 63.9°F (17.7°C).

Temperature

Hiram in May sees a temperature change, with average high-temperatures moving from a fresh 50.4°F (10.2°C) in April to a refreshing 63.9°F (17.7°C). Nighttime temperature dips to a mean of 43.3°F (6.3°C) during May.

Humidity

The months with the lowest humidity are April, May and November, with an average relative humidity of 77%.

Rainfall

In Hiram, in May, during 13.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Hiram, there are 137 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Hiram aggregates 0.39" (10mm) of snow. Throughout the year, there are 49.1 snowfall days, and 38.7" (983mm) of snow is accumulated.

Daylight

The average length of the day in May in Hiram is 14h and 46min.
On the first day of the month, sunrise is at 5:34 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in May is 8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In Hiram, in May, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 43.3°F (6.3°C).

What are the least humid months?

The months with the lowest humidity in Hiram are April, May and November, with an average relative humidity of 77%.

What is the average humidity in May?

In Hiram, Maine, the average relative humidity in May is 77%.

How many days does it rain in May?

In Hiram, in May, during 13.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows in Hiram. During 0.2 snowfall days, in May, Hiram aggregates 0.39" (10mm) of snow.

How many hours of daylight does Hiram have in May?

The average day length in May is 14h and 46min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:34 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:18 pm EDT.

How long on average sun shines in May?

In Hiram, the average sunshine duration in May is 8h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Hiram, ME

Average temperature in May - Hiram, ME
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in May: 43.3°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in May
Hiram, ME

Average pressure in May - Hiram, ME
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Hiram, ME

Average wind speed in May - Hiram, ME
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in May
Hiram, ME

Average humidity in May - Hiram, ME
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May and November (77%).

Average rainfall in May
Hiram, ME

Average rainfall in May - Hiram, ME
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in May
Hiram, ME

Average rainfall days in May - Hiram, ME
  • Average rainfall days in May: 13.6 days

The months with the highest number of rainy days are April and July (14.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in May
Hiram, ME

Average snowfall in May - Hiram, ME
  • Average snowfall in May: 0.39"

The month with the highest snowfall is February (9.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Hiram, ME

Average snowfall days in May - Hiram, ME
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Hiram, ME

Average daylight in May / Average sunshine in May - Hiram, ME
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Hiram, ME

Average sunshine days in May - Hiram, ME
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in May
Hiram, ME

Average UV index in May - Hiram, ME
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in May
Hiram, ME

Average cloud cover in May - Hiram, ME
  • Average cloud cover in May: 49

The months with the most cloud cover are March and April (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Hiram, ME

Average visibility in May - Hiram, ME
  • Average visibility in May: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Hiram, Maine, USA

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