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4. January

Temperature

3.3°C

37.9°F

High temperature

6.1°C

43.1°F

Low temperature

0.5°C

32.8°F

Feels like

-0.3°C

31.5°F

Rainy days

21 days

Rainfall level

4.42mm

0.17 inch

Cloud coverage

83%

Wind speed

26.7km/h

16.6mph

Daylight time

9:29:23

UV index

2.1

1

10.4°C

51.0°F

2

6.3°C

43.0°F

3

4.5°C

40.0°F

4

5.6°C

42.0°F

5

4.9°C

41.0°F

6

1.4°C

35.0°F

7

3.2°C

38.0°F

8

-0.9°C

30.0°F

9

1.9°C

35.0°F

10

2.2°C

36.0°F

11

-1.7°C

29.0°F

12

2.7°C

37.0°F

13

11.5°C

53.0°F

14

1.3°C

34.0°F

15

0.5°C

33.0°F

16

0.0°C

32.0°F

17

4.4°C

40.0°F

18

7.4°C

45.0°F

19

3.5°C

38.0°F

20

1.2°C

34.0°F

21

-0.7°C

31.0°F

22

0.1°C

32.0°F

23

1.3°C

34.0°F

24

1.4°C

35.0°F

25

1.9°C

35.0°F

26

7.3°C

45.0°F

27

1.9°C

35.0°F

28

4.8°C

41.0°F

29

6.4°C

44.0°F

30

5.7°C

42.0°F

31

0.6°C

33.0°F

In January, Boston experiences very cold weather conditions. The average temperature is 3.3°C (37.9°F), with highs of 6.1°C (43°F) and lows of 0.5°C (32.9°F). The average feels-like temperature is -0.3°C (31.5°F). Boston has a high humidity level of 75.6% and an average daily wind speed of 26.7 km/h or 16.6 miles per hour. There is an average of 4.42 inches of precipitation, with a 61.3% chance of precipitation occurring on any given day. Snowfall is common in January, with an average of 1.14 inches of snow. The most common weather condition is snow, followed by rain. The average cloud cover is 83%, and the average visibility is 13.2 miles. The average UV index is 2.1, which represents a low risk of harm from unprotected sun exposure, and the average air pressure is 1014.4 mb.

How hot is Boston in January?

The hot temperature in January in Boston rises to 14.4°C (57.9°F) on sunny days with low cloud coverage and 75.6% humidity. During hottest days of January it feels like 14.4 °C (57.9°F). The average maximum temp in Boston is 6.1°C (57.9°F) during day time in January.

How cold is Boston in January?

The coldest temp in Boston in January drops to -5°C (23°F) during the cold nights. With 26.7km/h (16.6mph) winds and 75.6% humidity it feels like -10.8°C (12.6°F) on the coldest nights. The average minimum temperature is 0.5°C (32.8°F) during night time in January.

Does it rain in Boston in January?

Yes, it rains for 21 days in Boston, United States in January averaging 4.42 mm of precipitation. Boston has a 61.3% chance for rain throughout the entire month of January.

How much does it rain in Boston throughout January?

Boston has 4.42 mm (0.17 inch) of rain per day on average in January. It rains for an average of 21 days out of the entire month.

Does it snow in Boston in January?

Yes, it snows in Boston during January. The average snowfall is 1.14 cm (0.45 inch) per day. And there is 0.6 cm (0.24 inch) of snow on the ground.

What is the direction of the wind in Boston in January?

Most days of January the wind is blowing from West-Southwest direction in Boston.

What are the humidity levels in Boston in January?

The average humidity levels in Boston in January are 75.6%. Daily humidity levels in Boston range from 54.1% to 95.6% during January.

How many hours of daylight are in Boston in January?

Boston has 9 hours 29 minutes of daylight in January on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Boston in January is at 7:09:01 and the sunset is at 16:38:24.

What is the cloud coverage in Boston in January?

Clouds cover 83% of the sky on average throughout January in Boston. The cloud coverage ranges from 19.3% to 100% depending on the day of the month.

What is the UV level in January in Boston?

The average UV index in Boston is 2.1 in January. UV levels change throughout the month and range from 0 to 4.

What is the solar radiation in Boston in January?

The average solar radiation is 40.1 W/m2 (Watts per square meter) in Boston during January. However solar radiation levels change throughout the month and range from 5.5 W/m2 to 95.7 W/m2.

What is the solar energy during January in Boston?

The average solar energy during January in Boston is 3.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.6 MJ/m2, to 8.3 MJ/m2 during January.

Are there severe weather risks in Boston in January?

Yes, there is a 10% risk for severe weather in Boston, United States in January.

What is the air pressure in Boston in January?

On average the air pressure in Boston in January is 1014.4 mb (millibars). Throughout the month the sea level pressure ranges from 999 mb to 1025.3 mb.

What is the visibility in Boston in January?

The average daylight visibility in Boston in January is 13.2 km (8.2 miles). Depending on the precipitation the visibility ranges from 5.6 km (3.5 miles) to 16 km (9.9 miles) throughout January.

What is the dew point in Boston in January?

The average dew point in Boston during January is -0.9°C (30.3°F).

Where is the data for Boston climate in January coming from?

The climate data for Boston, Massachusetts, United States in January is collected from the following weather stations.

• Northeastern University MA US WEATHERSTEM
• Swampscott High School MA US WEATHERSTEM
• BEDFORD HANSCOM FIELD, MA US
• BOSTON, MA US
• NORWOOD MEMORIAL AIRPORT, MA US
• KB1DML Cambridge MA US
• BLUE HILLS MA US
• CW2236 Milton MA US
• CW2439 Rockport MA US
• CW3577 Hudson NH US
• EW2725 Wareham MA US
• EW9991 Winchester MA US
• FW2973 Cumberland RI US
• FW6999 Quincy MA US
• FW7922 Leominster MA US
• FW9156 Plymouth MA US
• KBED
• KBOS
• KOWD
• OXBOW MA US