January weather forecast
Tigard, OR

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Weather in January

This first chapter of the meteorological year in Tigard can be characterized by relatively chilly temperatures and increased humidity. When January arrives, conditions take a nosedive with 4.41" (112mm) of rain along with light snowfall of 0.51" (13mm). Drawing a comparison with neighboring months, it is a bit colder than February but warmer than December. The long nights, combined with high humidity, tend to form a veil of clouds over the city, curtailing sunlight exposure. The accumulation of snow typically lasts a day or two and then melts away, as the environment transitions from frosty morns to rainy afternoons.

Temperature

The transition into January is marked with an average high-temperature of a still frosty 46.2°F (7.9°C), showing an insignificant shift from December's 44.1°F (6.7°C). Tigard experiences an average low-temperature reading of 34.9°F (1.6°C) throughout January.

Humidity

January, February and December, with an average relative humidity of 84%, are the most humid months.

Rainfall

In January, the rain falls for 18.4 days. Throughout January, 4.41" (112mm) of precipitation is accumulated. In Tigard, during the entire year, the rain falls for 170.9 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Tigard, in January, during 1.3 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, in Tigard, Oregon, there are 6.5 snowfall days, and 3.94" (100mm) of snow is accumulated.

Daylight

The average length of the day in January in Tigard is 9h and 12min.
On the first day of the month, sunrise is at 7:50 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:33 am and sunset at 5:15 pm PST.

Sunshine

The average sunshine in January is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in January in Tigard?

In Tigard, 46.2°F (7.9°C) is the average high-temperature and 34.9°F (1.6°C) is the average low-temperature during January.

What are the most humid months in Tigard?

January, February and December, with an average relative humidity of 84%, are most humid months.

What is the average humidity in January in Tigard?

In January, the average relative humidity in Tigard is 84%.

How many days does it rain in January in Tigard?

In Tigard, Oregon, during January, the rain falls for 18.4 days and regularly aggregates up to 4.41" (112mm) of precipitation.

How much does it snow in Tigard in January?

In Tigard, in January, snow falls for 1.3 days, with typically accumulated 0.51" (13mm) of snow.

What is the average length of the day in January in Tigard?

The average day length in January in Tigard is 9h and 12min.

When are sunrise and sunset in January in Tigard?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:15 pm PST.

How many hours of sunshine does Tigard have in January?

In January, the average sunshine duration in Tigard is 4.2h.

When is the lowest UV index in Tigard?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in January in Tigard?

The average daily maximum UV index in January in Tigard is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
44.1°F 6.7°C
46.2°F 7.9°C
47.7°F 8.7°C
Average low temperature
34.5°F 1.4°C
34.9°F 1.6°C
35.4°F 1.9°C
Average pressure
30.1" 765mmHg
30.11" 765mmHg
30.08" 764mmHg
Average wind speed
5.2mph 8.4km/h
5.5mph 8.9km/h
5.3mph 8.5km/h
Average max. wind speed
5.7mph 9.2km/h
6mph 9.7km/h
5.8mph 9.3km/h
Average wind speed gusts
8.9mph 14.3km/h
9.3mph 15km/h
8.8mph 14.2km/h
Average humidity
84%
84%
84%
Average rainfall
4.57" 116mm
4.41" 112mm
3.31" 84mm
Average rainfall days
18.9
18.4
16.4
Average snowfall
0.43" 11mm
0.51" 13mm
1.57" 40mm
Average snowfall days
0.9
1.3
2.3
Average daylight
8h 5min
9h 1min
10h 2min
Average sunshine
4h 1min
4h 1min
4h 1min
Average sunshine days
10.4
11.3
8.6
Average UV index
2
2
2
Average cloud cover
56%
57%
58%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Tigard, OR

Average temperature in January - Tigard, OR
  • Average high temperature in January: 46.2°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).

  • Average low temperature in January: 34.9°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).

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Average pressure in January
Tigard, OR

Average pressure in January - Tigard, OR
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in January
Tigard, OR

Average wind speed in January - Tigard, OR
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in January
Tigard, OR

Average humidity in January - Tigard, OR
  • Average humidity in January: 84%

The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in January
Tigard, OR

Average rainfall in January - Tigard, OR
  • Average rainfall in January: 4.41"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in January
Tigard, OR

Average rainfall days in January - Tigard, OR
  • Average rainfall days in January: 18.4 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.8 days).

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Average snowfall in January
Tigard, OR

Average snowfall in January - Tigard, OR
  • Average snowfall in January: 0.51"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Tigard, OR

Average snowfall days in January - Tigard, OR
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Tigard, OR

Average daylight in January / Average sunshine in January - Tigard, OR
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in January
Tigard, OR

Average sunshine days in January - Tigard, OR
  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in January
Tigard, OR

Average UV index in January - Tigard, OR
  • Average UV index in January: 2

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

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Average cloud cover in January
Tigard, OR

Average cloud cover in January - Tigard, OR
  • Average cloud cover in January: 57

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in January
Tigard, OR

Average visibility in January - Tigard, OR
  • Average visibility in January: 5mi

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

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Tigard, Oregon, USA

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