The best times to visit Oceanside for ideal weather are

April 9th to October 28th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Oceanside Travel Info

Weather in Oceanside


Average temperatures in Oceanside vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 71st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Oceanside, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 81.8°F (27.7°C) with temperatures rarely dropping below 62.5°F (16.9°C) at night.

Oceanside Temperatures (Fahrenheit)


Oceanside Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Oceanside Perceived Temperature (F)


Oceanside Perceived Temperature (C)



Average Oceanside Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 68.4 52.4 39.7
Feb 66.2 53.5 42.1
Mar 68.6 56.8 45.9
Apr 69.7 58.5 48
May 71.8 62.7 54.4
Jun 72.9 64.9 58.4
Jul 76.6 68.7 62.2
Aug 78.9 70.1 62.7
Sep 79.3 69.2 60.2
Oct 77 64 52.5
Nov 72.5 57.3 44.8
Dec 66 52.1 40.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 20.2 11.3 4.3
Feb 19 11.9 5.6
Mar 20.3 13.8 7.7
Apr 20.9 14.7 8.9
May 22.1 17.1 12.4
Jun 22.7 18.3 14.7
Jul 24.8 20.4 16.8
Aug 26.1 21.2 17.1
Sep 26.3 20.7 15.7
Oct 25 17.8 11.4
Nov 22.5 14.1 7.1
Dec 18.9 11.2 4.7



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Oceanside are June, August, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May to early June. For example, on the week of May 28th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 2 days of significant precipitation the week of December 17th.

When can you find snow in Oceanside? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Oceanside.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Oceanside (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 1.7
Feb 15% 0 1.7
Mar 6% 0 0.9
Apr 6% 0 0.6
May 3% 0 0.4
Jun 0% 0 0
Jul 1% 0 0.1
Aug 0% 0 0.1
Sep 1% 0 0.2
Oct 4% 0 0.9
Nov 9% 0 0.9
Dec 15% 0 2.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 4.3
Feb 15 0 4.3
Mar 6 0 2.3
Apr 6 0 1.5
May 3 0 1
Jun 0 0 0
Jul 1 0 0.3
Aug 0 0 0.3
Sep 1 0 0.5
Oct 4 0 2.3
Nov 9 0 2.3
Dec 15 0 7.4


Humidity and Wind

Oceanside has some high humidity months, with other comfortably humid months. The least humid month is January (55.4% relative humidity), and the most humid month is July (69.8%).

Wind in Oceanside is usually extremely calm. The windiest month is May, followed by April and June. May’s average wind speed of around 4 knots (4.6 MPH or 7.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid April where average top sustained speeds reach 11.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Oceanside.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 2.6 Barely noticeable 8.8 Gentle breeze
Feb 3.2 Barely noticeable 10.1 Gentle breeze
Mar 3.3 Barely noticeable 10.2 Gentle breeze
Apr 3.7 Barely noticeable 10.5 Gentle breeze
May 4 Light breeze 10.3 Gentle breeze
Jun 3.6 Barely noticeable 9.7 Gentle breeze
Jul 3.5 Barely noticeable 9.7 Gentle breeze
Aug 3.4 Barely noticeable 9.8 Gentle breeze
Sep 3.3 Barely noticeable 10 Gentle breeze
Oct 3 Barely noticeable 9.7 Gentle breeze
Nov 2.8 Barely noticeable 9.3 Gentle breeze
Dec 2.8 Barely noticeable 9.4 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 55.4%
Feb 63.5%
Mar 63.1%
Apr 60.1%
May 62.3%
Jun 68.2%
Jul 69.8%
Aug 67.7%
Sep 67.4%
Oct 63%
Nov 58.2%
Dec 61.9%


Is it Safe to Travel to Oceanside?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Oceanside, CA, US is July, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Oceanside in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 34.9 in November means 34.9% of the tourists vs. July.



Overall Oceanside Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 73.8°F (23.2°C) and 66.9°F (19.4°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Oceanside, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 81°F (27.2°C) and 69.8°F (21°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 0 to 3 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Oceanside to be enjoyable for warm weather travelers. The average high during this season is between 70.2°F (21.2°C) and 64.8°F (18.2°C). On average, it rains or snows a fair amount: 3 to 5 times per month. These times of year are fairly slow with tourists.


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