Oceanside Municipal Airport - Weather History and Averages

Station: OCEANSIDE MUNICIPAL ARPT (2006 to 2025)
Integrated Surface Dataset (ISD) station ID: 722934

A Weather Bureau Army Navy (WBAN) station ID was found for this station. Older data may be available at the WBAN page.

Airport*: Oceanside Municipal Airport (IATA: OCN, ICAO: KOKB)
Country: US
State: CA
Latitude: 33.219
Longitude: -117.349

^{This site or product includes IATA/ICAO List data available from https://github.com/ip2location/ip2location-iata-icao.}

Historic station metadata

Station: OCEANSIDE MUNI (1999 to 2005)
Airport*: Oceanside Municipal Airport (IATA: OCN, ICAO: KOKB)
Country: US
State: CA
Latitude: 33.217
Longitude: -117.35

High Temperatures

On average, the day with the warmest high temperature in Oceanside Municipal Airport is September 6 at an average of 82.2 °F (27.9 °C).

On average, the day with the coldest high temperature in Oceanside Municipal Airport is December 31 at an average of 64.3 °F (17.9 °C).

Records

The warmest recorded high temperature in Oceanside Municipal Airport was 106.0 °F (41.1 °C) on October 25 in the year 2017 at OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 .

The coldest recorded high temperature in Oceanside Municipal Airport was 1.4 °F (-17.0 °C) on May 13 in the year 2025 at OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 .

Low Temperatures

On average, the day with the warmest low temperature in Oceanside Municipal Airport is July 27 at an average of 63.8 °F (17.7 °C).

On average, the day with the coldest low temperature in Oceanside Municipal Airport is December 28 at an average of 37.4 °F (3.0 °C).

Records

The warmest recorded low temperature in Oceanside Municipal Airport was 75.9 °F (24.4 °C) on April 23 in the year 2011 at OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 .

The coldest recorded low temperature in Oceanside Municipal Airport was 1.0 °F (-17.2 °C) on May 13 in the year 2025 at OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 .

When you are gardening in Oceanside Municipal Airport, consider the chance that the weather may freeze and harm your plants. There is a greater than 5% chance of temperatures dropping below freezing in 89 of 366 days per year in Oceanside Municipal Airport.

According to the USA National Weather Service:

Freeze occurs when the temperature drops to 32° Fahrenheit or lower. A freeze will result in significant damage to many unprotected plants, especially if the temperature remains at-or-below freezing for several hours.

Last freeze

In Oceanside Municipal Airport during the spring season, the average last freeze date is January 28. Expect^* the last freeze date after

February 28 in one of every two years (50%),
April 26 in one of every ten years (10%),
April 27 in one of every twenty years (5%),
May 13 in one of every hundred years (1%).

First freeze

In Oceanside Municipal Airport during the autumn (fall) season, the average first freeze date is December 16. Expect^* the first freeze date before

November 28 in one of every two years (50%),
November 8 in one of every ten years (10%),
November 3 in one of every twenty years (5%),
October 18 in one of every hundred years (1%).

Hard Freeze

According to the USA National Weather Service:

Hard freeze typically occurs when the temperature reaches 28° Fahrenheit or lower for at least an hour (or more). This usually means that most seasonal vegetation will be destroyed. In addition, there is a possibility of damage to unprotected outdoor plumbing/un-drained sprinkler systems etc.

Last hard freeze

In Oceanside Municipal Airport during the spring season, the average last hard freeze date is no freezing temperatures all season. Expect^* the last hard freeze date after

January 25 in one of every two years (50%),
March 3 in one of every ten years (10%),
March 23 in one of every twenty years (5%),
April 28 in one of every hundred years (1%).

First hard freeze

In Oceanside Municipal Airport during the autumn (fall) season, the average first hard freeze date is no freezing temperatures all season. Expect^* the first hard freeze date before

December 17 in one of every two years (50%),
November 27 in one of every ten years (10%),
November 15 in one of every twenty years (5%),
November 6 in one of every hundred years (1%).

Frost

Frost can happen at temperatures above freezing and damage delicate plants. According to the USA National Weather Service:

Frost occurs when there is a solid deposition of water vapor from the air. Frost will form when solid surfaces are cooled below the dew point. An air temperature range of 33°- 36° Fahrenheit (or colder), along with light winds, is usually needed to initiate frost formation. At least minor damage is possible to plants. One must keep in mind that frost is not guaranteed if the air is very dry and/or winds are roughly 8+ MPH.

Last frost

In Oceanside Municipal Airport during the spring season, the average last frost date is February 27. Expect^* the last frost date after

April 9 in one of every two years (50%),
April 29 in one of every ten years (10%),
May 12 in one of every twenty years (5%),
May 14 in one of every hundred years (1%).

First frost

In Oceanside Municipal Airport during the autumn (fall) season, the average frost date is November 20. Expect^* the first frost date before

November 10 in one of every two years (50%),
October 28 in one of every ten years (10%),
October 16 in one of every twenty years (5%),
October 6 in one of every hundred years (1%).

Details

If you would like to see the temperatures for specific days, you can click on the corresponding links below:

January
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

February
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29

March
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

April
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

May
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

June
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

July
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

August
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

September
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

October
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31

November
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

December
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30	31