May weather forecast
South Hiram, ME

Share

Weather in May

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

Temperature

As May arrives, a rise in the average high-temperature is observed, moving from a fresh 50.4°F (10.2°C) in April to an enjoyable 63.9°F (17.7°C). Nighttime temperature in South Hiram, Maine, lowers to an average of 43.3°F (6.3°C) in May.

Humidity

April, May and November, with an average relative humidity of 77%, are the least humid months in South Hiram, Maine.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, South Hiram aggregates 0.39" (10mm) of snow. In South Hiram, Maine, during the entire year, snow falls for 49.1 days and aggregates up to 38.7" (983mm) of snow.

Daylight

The average length of the day in May is 14h and 45min.
On the first day of May in South Hiram, 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.

Sunshine

In South Hiram, 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 moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take precautions - Protection against sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

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

What is the least humid month?

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

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in May?

In South 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. During 0.2 snowfall days, in May, South Hiram aggregates 0.39" (10mm) of snow.

What is the average length of the day in May in South Hiram?

The average day length in May in South Hiram is 14h and 45min.

When are sunrise and sunset in May?

On the first day of May, 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?

The average sunshine duration in May is 8h.

When is the highest UV index in South Hiram?

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

How high is the UV index in May?

In South Hiram, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
South Hiram, ME

Average temperature in May - South 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
South Hiram, ME

Average pressure in May - South 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
South Hiram, ME

Average wind speed in May - South 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
South Hiram, ME

Average humidity in May - South 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
South Hiram, ME

Average rainfall in May - South 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
South Hiram, ME

Average rainfall days in May - South 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
South Hiram, ME

Average snowfall in May - South 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
South Hiram, ME

Average snowfall days in May - South 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
South Hiram, ME

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

Average sunshine days in May - South 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
South Hiram, ME

Average UV index in May - South 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
South Hiram, ME

Average cloud cover in May - South 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
South Hiram, ME

Average visibility in May - South 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).

South Hiram, Maine, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location