Forest Grove Weather in January

During January, Forest Grove experiences low daytime temperatures of 8°C (46°F) and cooler nights around 1°C (34°F). As part of the winter season, expect quite a bit of rainfall. Around 165 mm (6.5 in) is typical.

Rainfall in Forest Grove in January

Typically, you can expect about 20 days of rain this month, with 165 mm (6.5 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Forest Grove in January

January in Forest Grove sees highs of 8°C (46°F) and lows of 1°C (34°F) overnight. January is a notable month of the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Forest Grove in January

The month is characterized by fewer sunny days, with roughly 86 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Forest Grove. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
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For a detailed overview over the year and the best time to visit the United States of America, check out our Forest Grove's climate page.

Forest Grove Temperature in January

Min Temperature 1°C (34°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 66%  

Precipitation 165 mm (6.5 in)  

Rainy days 20 days  

Humidity 81% *  

Sunshine 86 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (40 KM, 25 Miles).

What to Wear in Forest Grove in January

We recommend to layer up for chilly conditions in Forest Grove in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Forest Grove in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Forest Grove's climate page.

More climate data for Forest Grove

Temperature Rainfall Sunshine Humidity

See the full Forest Grove climate overview or explore weather in the United States of America.