May weather forecast
Andover, MA

Share

Weather in May

May, the last month of the spring in Andover, is an enjoyable month, with an average temperature varying between 48.7°F (9.3°C) and 65.8°F (18.8°C).

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from a fresh 54.7°F (12.6°C) to a refreshing 65.8°F (18.8°C). During May, the temperature is averaged to a low of 48.7°F (9.3°C) at night.

Humidity

In Andover, Massachusetts, the average relative humidity in May is 73%.

Rainfall

In Andover, in May, it is raining for 15.6 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 144.5 rainfall days, and 27.4" (696mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Andover. During 0.1 snowfall days, in May, Andover aggregates 0.16" (4mm) of snow. In Andover, during the entire year, snow falls for 31.4 days and aggregates up to 20.39" (518mm) of snow.

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of the month, sunrise is at 5:37 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:15 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the temperature in May?

An average high-temperature, in May, in Andover, is 65.8°F (18.8°C) and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May?

The average relative humidity in May is 73%.

How many days does it rain in May?

In Andover, in May, during 15.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows in Andover, Massachusetts. During 0.1 snowfall days, in May, Andover aggregates 0.16" (4mm) of snow.

How many hours of daylight does Andover have in May?

The average day length in May is 14h and 38min.

When are sunrise and sunset in May?

On the first day of May in Andover, sunrise is at 5:37 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:15 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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
Andover, MA

Average temperature in May - Andover, MA
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in May
Andover, MA

Average pressure in May - Andover, MA
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Andover, MA

Average wind speed in May - Andover, MA
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
Andover, MA

Average humidity in May - Andover, MA
  • Average humidity in May: 73%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in May
Andover, MA

Average rainfall in May - Andover, MA
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in May
Andover, MA

Average rainfall days in May - Andover, MA
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in May
Andover, MA

Average snowfall in May - Andover, MA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Andover, MA

Average snowfall days in May - Andover, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Andover, MA

Average daylight in May / Average sunshine in May - Andover, MA
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Andover, MA

Average sunshine days in May - Andover, MA
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is April (13.6 days).

Average UV index in May
Andover, MA

Average UV index in May - Andover, MA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
Andover, MA

Average cloud cover in May - Andover, MA
  • Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Andover, MA

Average visibility in May - Andover, MA
  • Average visibility in May: 6mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

Andover, Massachusetts, USA

Weather forecast for your location

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