January weather forecast
Oceanside, OR

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Weather in January

January, the same as December, in Oceanside, Oregon, is another chilly winter month, with an average temperature varying between 46.6°F (8.1°C) and 39.7°F (4.3°C).

Temperature

The commencement of January records an average high-temperature of a still frosty 46.6°F (8.1°C), barely varying from December's 45.5°F (7.5°C). Oceanside's evenings during January maintain an average temperature of 39.7°F (4.3°C), aligning closely with the daytime temperatures.

Humidity

The average relative humidity in January is 83%.

Rainfall

In Oceanside, in January, it is raining for 14.8 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 137.4 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Oceanside are January through March and December. In Oceanside, in January, snow falls for 0.4 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, there are 2.6 snowfall days, and 0.55" (14mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 12min.
On the first day of the month, sunrise is at 7:55 am and sunset at 4:43 pm. On the last day of January, in Oceanside, sunrise is at 7:37 am and sunset at 5:20 pm PST.

Sunshine

January has the least sunshine of the year in Oceanside, with an average of 3.8h of sunshine.

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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, a regular UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

The high-temperature, in January, in Oceanside, is 46.6°F (8.1°C), while the low-temperature averages to 39.7°F (4.3°C).

What is the average humidity in January in Oceanside?

The average relative humidity in January is 83%.

How much does it rain in January?

In January, the rain falls for 14.8 days. Throughout January, 2.48" (63mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 0.4 days. Throughout January, 0.16" (4mm) of snow is accumulated.

How many hours of daylight does Oceanside have in January?

In Oceanside, the average day length in January is 9h and 12min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:55 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:20 pm PST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.8h of sunshine.

How many hours of sunshine does Oceanside have in January?

In Oceanside, the average sunshine duration in January is 3.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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 January
Oceanside, OR

Average temperature in January - Oceanside, OR
  • Average high temperature in January: 46.6°F

The warmest month (with the highest average high temperature) is August (68.4°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in January: 39.7°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).

Average pressure in January
Oceanside, OR

Average pressure in January - Oceanside, OR
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

Average wind speed in January
Oceanside, OR

Average wind speed in January - Oceanside, OR
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in January
Oceanside, OR

Average humidity in January - Oceanside, OR
  • Average humidity in January: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (80%).

Average rainfall in January
Oceanside, OR

Average rainfall in January - Oceanside, OR
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in January
Oceanside, OR

Average rainfall days in January - Oceanside, OR
  • Average rainfall days in January: 14.8 days

The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (4.3 days).

Average snowfall in January
Oceanside, OR

Average snowfall in January - Oceanside, OR
  • Average snowfall in January: 0.16"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Oceanside, OR

Average snowfall days in January - Oceanside, OR
  • Average snowfall days in January: 0.4 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Oceanside, 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: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Oceanside, OR

Average sunshine days in January - Oceanside, OR
  • Average sunshine days in January: 13.8 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is March (11.4 days).

Average UV index in January
Oceanside, OR

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Oceanside, OR

Average cloud cover in January - Oceanside, OR
  • Average cloud cover in January: 59

The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in January
Oceanside, OR

Average visibility in January - Oceanside, OR
  • Average visibility in January: 6mi

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

Oceanside, Oregon, USA

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