Seattle Weather in January: Temperature, Precipitation, Wind

Temperature
6.3°C
43.3°F
High temperature
9°C
48.2°F
Low temperature
3.6°C
38.5°F
Feels like
5.4°C
41.7°F
Rainy days
21 days
Rainfall level
1.4mm
0.06 inch
Cloud coverage
77.2%
Wind speed
16.2km/h
10.1mph
Daylight time
8:56:40
UV index
2
1
rain
5.6°C
42.0°F
2
partly cloudy day
3.9°C
39.0°F
3
partly cloudy day
5.4°C
42.0°F
4
rain
7.6°C
46.0°F
5
cloudy
12.1°C
54.0°F
6
rain
8.5°C
47.0°F
7
rain
7.4°C
45.0°F
8
rain
6.6°C
44.0°F
9
rain
8.3°C
47.0°F
10
rain
8.5°C
47.0°F
11
rain
9.9°C
50.0°F
12
rain
10.0°C
50.0°F
13
rain
9.9°C
50.0°F
14
rain
10.6°C
51.0°F
15
rain
7.8°C
46.0°F
16
partly cloudy day
6.9°C
44.0°F
17
rain
6.9°C
44.0°F
18
rain
6.3°C
43.0°F
19
partly cloudy day
3.9°C
39.0°F
20
partly cloudy day
4.3°C
40.0°F
21
rain
2.4°C
36.0°F
22
rain
4.1°C
39.0°F
23
partly cloudy day
4.3°C
40.0°F
24
cloudy
5.3°C
42.0°F
25
cloudy
7.1°C
45.0°F
26
rain
5.7°C
42.0°F
27
rain
7.6°C
46.0°F
28
rain
5.5°C
42.0°F
29
clear day
1.0°C
34.0°F
30
clear day
-0.5°C
31.0°F
31
partly cloudy day
2.2°C
36.0°F

In January, Seattle has an average temperature of 6.3°C (43.3°F), with highs of 9.0°C (48.2°F) and lows of 3.6°C (38.5°F). The city experiences mostly rain, with an average precipitation of 1.4mm and a high chance of precipitation at 61.3%. Seattle has 21 rainy days in January, with a 18.1% chance of snow. The average humidity is 79.5%.

Seattle has an average wind speed of 16.2 km/h (10.1 mph), with gusts reaching 30.3 km/h (18.8 mph). The average visibility is 14.5 km (9.0 miles), and the average UV index is 2.0, indicating a low risk of sunburn. The most common weather condition is rain, with an average cloud cover of 77.2%. The atmospheric pressure is typically around 1016.9 mb.

What is the temperature in Seattle in January?

Average air temperature in Seattle is 6.3°C (43.3°F) in January. The outside temperature in Seattle feels like 5.4°C (41.7°F) on a typical January day. The highest average temperature during sunny days is 9°C (48.2°F) and feels like 8.6°C (47.4°F). The lowest average temperature after dark is 3.6°C (38.5°F) which feels like 2°C (35.6°F).

Daily Temperature in Seattle in January -5°C / 23.0°F 0°C / 32.0°F 5°C / 41.0°F 10°C / 50.0°F 15°C / 59.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Seattle in January?

The hot temperature in January in Seattle rises to 15.2°C (59.4°F) on sunny days with low cloud coverage and 79.5% humidity. During hottest days of January it feels like 15.2 °C (59.4°F). The average maximum temp in Seattle is 9°C (59.4°F) during day time in January.

How cold is Seattle in January?

The coldest temp in Seattle in January drops to -5.1°C (22.8°F) during the cold nights. With 16.2km/h (10.1mph) winds and 79.5% humidity it feels like -8.9°C (16°F) on the coldest nights. The average minimum temperature is 3.6°C (38.5°F) during night time in January.

Does it rain in Seattle in January?

Yes, it rains for 21 days in Seattle, United States in January averaging 1.4 mm of precipitation. Seattle has a 61.3% chance for rain throughout the entire month of January.

How much does it rain in Seattle throughout January?

Seattle has 1.4 mm (0.06 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 Seattle in January?

Yes, it snows in Seattle during January. The average snowfall is 0.03 cm (0.01 inch) per day. And there is 0 cm (0 inch) of snow on the ground.

Is Seattle windy in January?

The average speed of wind in Seattle, United States during January is 16.2km/h (10.1mph) and average windgust is 30.3km/h (18.8mph). On some days in January wind can reach up to 30.6km/h (19mph).

Daily wind speed in Seattle in January 0km/h (0mph) 8km/h (5mph) 16km/h (10mph) 24km/h (15mph) 32km/h (20mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

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

Most days of January the wind is blowing from Southeast direction in Seattle.

What are the humidity levels in Seattle in January?

The average humidity levels in Seattle in January are 79.5%. Daily humidity levels in Seattle range from 49.4% to 93.9% during January.

Daily humidity levels in Seattle in January 0% 24% 48% 72% 96% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Seattle in January?

Seattle has 8 hours 56 minutes of daylight in January on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Seattle in January is at 7:50:32 and the sunset is at 16:47:12.

What is the cloud coverage in Seattle in January?

Clouds cover 77.2% of the sky on average throughout January in Seattle. The cloud coverage ranges from 0.9% to 100% depending on the day of the month.

What is the UV level in January in Seattle?

The average UV index in Seattle is 2 in January. UV levels change throughout the month and range from 0 to 4.

What is the solar radiation in Seattle in January?

The average solar radiation is 51.4 W/m2 (Watts per square meter) in Seattle during January. However solar radiation levels change throughout the month and range from 10.6 W/m2 to 269.3 W/m2.

What is the solar energy during January in Seattle?

The average solar energy during January in Seattle is 4.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.9 MJ/m2, to 23.4 MJ/m2 during January.

Are there severe weather risks in Seattle in January?

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

What is the air pressure in Seattle in January?

On average the air pressure in Seattle in January is 1016.9 mb (millibars). Throughout the month the sea level pressure ranges from 994.4 mb to 1039.8 mb.

What is the visibility in Seattle in January?

The average daylight visibility in Seattle in January is 14.5 km (9 miles). Depending on the precipitation the visibility ranges from 10.6 km (6.6 miles) to 16 km (9.9 miles) throughout January.

What is the dew point in Seattle in January?

The average dew point in Seattle during January is 2.7°C (36.9°F).

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

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

  • SEATTLE TACOMA AIRPORT, WA US
  • RENTON MUNICIPAL AIRPORT, WA US
  • SEATTLE BOEING FIELD, WA US
  • FW0821 Seattle WA US
  • FW4154 Kenmore WA US
  • FW7103 Seattle WA US
  • FW7437 Seattle WA US
  • FW7582 Fall City WA US
  • FW9061 Seattle WA US
  • KBFI
  • KRNT
  • KSEA