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Weather in Oceanside for January 2026

Your guide to Oceanside weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Oceanside at the beginning of January is 15.9 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 15.6 °F by the end of January.

    • Rain 🌧️

  • Oceanside experiences moderate rainfall in January, with an average of 7 rainy days and a total precipitation of 42.6 mm.

    • More

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/9°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Oceanside Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
17°
2
Overcast
17°
3
Light rain shower
15°
4
Sunny
14°
5
Overcast
17°
6
Sunny
17°
7
Patchy rain possible
14°
8
Partly cloudy
16°
9
Sunny
16°
10
Sunny
17°
11
Patchy rain possible
16°
12
Sunny
16°
13
Sunny
17°
14
Sunny
18°
15
Overcast
18°
16
Sunny
17°
17
Partly cloudy
13°
18
Partly cloudy
14°
19
Overcast
14°
20
Light rain shower
16°
21
Light rain shower
15°
22
Moderate or heavy rain shower
16°
23
Patchy rain possible
19°
24
Overcast
17°
25
Patchy rain possible
14°
26
Partly cloudy
15°
27
Sunny
16°
28
Overcast
16°
29
Overcast
16°
30
Overcast
16°
31
Cloudy
16°
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Temperatures trend during January in Oceanside

See the weather trend as well as the moving average line

January weather day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Partly cloudy
Partly cloudy
 17° /9° 0 mm 5
Jan. 2 Overcast
Overcast
 17° /9° 0 mm 5
Jan. 3 Light rain shower
Light rain shower
 15° /10° 6.4 mm 4
Jan. 4 Sunny
Sunny
 14° /8° 0 mm 4
Jan. 5 Overcast
Overcast
 17° /7° 0 mm 5
Jan. 6 Sunny
Sunny
 17° /8° 0 mm 5
Jan. 7 Patchy rain possible
Patchy rain possible
 14° /9° 3.1 mm 3
Jan. 8 Partly cloudy
Partly cloudy
 16° /8° 0 mm 4
Jan. 9 Sunny
Sunny
 16° /7° 0 mm 5
Jan. 10 Sunny
Sunny
 17° /7° 0 mm 5
Jan. 11 Patchy rain possible
Patchy rain possible
 16° /9° 0.2 mm 5
Jan. 12 Sunny
Sunny
 16° /6° 0 mm 5
Jan. 13 Sunny
Sunny
 17° /5° 0 mm 5
Jan. 14 Sunny
Sunny
 18° /7° 0 mm 6
Jan. 15 Overcast
Overcast
 18° /8° 0 mm 5
Jan. 16 Sunny
Sunny
 17° /7° 0 mm 5
Jan. 17 Partly cloudy
Partly cloudy
 13° /9° 0 mm 4
Jan. 18 Partly cloudy
Partly cloudy
 14° /10° 0 mm 4
Jan. 19 Overcast
Overcast
 14° /9° 0 mm 4
Jan. 20 Light rain shower
Light rain shower
 16° /10° 4.6 mm 4
Jan. 21 Light rain shower
Light rain shower
 15° /9° 4.5 mm 4
Jan. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /9° 10.6 mm 4
Jan. 23 Patchy rain possible
Patchy rain possible
 19° /10° 0.2 mm 5
Jan. 24 Overcast
Overcast
 17° /8° 0 mm 5
Jan. 25 Patchy rain possible
Patchy rain possible
 14° /9° 0.1 mm 4
Jan. 26 Partly cloudy
Partly cloudy
 15° /11° 2.3 mm 4
Jan. 27 Sunny
Sunny
 16° /11° 10.6 mm 5
Jan. 28 Overcast
Overcast
 16° /12° 0 mm 4
Jan. 29 Overcast
Overcast
 16° /12° 0 mm 4
Jan. 30 Overcast
Overcast
 16° /11° 0 mm 4
Jan. 31 Cloudy
Cloudy
 16° /10° 0 mm 4
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Important Notice
Our weather forecast for Oceanside in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oceanside forecast closer to your planned date for the most up-to-date weather information.

Oceanside in January - FAQ

What are the expected maximum and minimum temperatures in Oceanside during January?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oceanside during January?
In January, Oceanside can expect light to moderate rainfall, totaling 42.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Oceanside during January?
The average wind speed in Oceanside during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Oceanside

Explore the daily rainfall trends and prepare for Oceansides January weather 💧

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Location coordinates Where is Oceanside?

Get accurate weather forecasts for Oceanside, located at latitude 33.196 and longitude -117.379. Stay updated with localized weather information tailored for Oceanside.

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