Fullerton Municipal Airport - Weather History and Averages

Station: FULLERTON MUNICIPAL ARPT (2006 to 2025)
Weather Bureau Army Navy (WBAN): 03166

An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.

Airport*: Fullerton Municipal Airport (IATA: FUL, ICAO: KFUL)
Country: US
State: CA
Latitude: 33.872
Longitude: -117.979

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

High Temperatures

On average, the day with the warmest high temperature in Fullerton Municipal Airport is September 5 at an average of 93.3 °F (34.1 °C).

On average, the day with the coldest high temperature in Fullerton Municipal Airport is December 31 at an average of 66.8 °F (19.3 °C).

Records

The warmest recorded high temperature in Fullerton Municipal Airport was 116.1 °F (46.7 °C) on July 7 in the year 2018 at FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 .

The coldest recorded high temperature in Fullerton Municipal Airport was 55.0 °F (12.8 °C) on February 23 in the year 2023 at FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 .

Low Temperatures

On average, the day with the warmest low temperature in Fullerton Municipal Airport is September 4 at an average of 68.1 °F (20.1 °C).

On average, the day with the coldest low temperature in Fullerton Municipal Airport is December 27 at an average of 43.0 °F (6.1 °C).

Records

The warmest recorded low temperature in Fullerton Municipal Airport was 84.2 °F (29.0 °C) on August 20 in the year 2007 at FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 .

The coldest recorded low temperature in Fullerton Municipal Airport was 25.0 °F (-3.9 °C) on December 15 in the year 2021 at FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 .

When you are gardening in Fullerton 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 0 of 366 days per year in Fullerton 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 Fullerton Municipal Airport during the spring season, the average last freeze date is no freezing temperatures all season. Expect^* the last freeze date after

No freezing temperatures all season in one of every two years (50%),
January 17 in one of every ten years (10%),
January 27 in one of every twenty years (5%),
February 26 in one of every hundred years (1%).

First freeze

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

No freezing temperatures all season in one of every two years (50%),
December 17 in one of every ten years (10%),
December 8 in one of every twenty years (5%),
November 30 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 Fullerton 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

No freezing temperatures all season in one of every two years (50%),
No freezing temperatures all season in one of every ten years (10%),
No freezing temperatures all season in one of every twenty years (5%),
January 15 in one of every hundred years (1%).

First hard freeze

In Fullerton 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

No hard freeze temperatures all season in one of every two years (50%),
No hard freeze temperatures all season in one of every ten years (10%),
No hard freeze temperatures all season in one of every twenty years (5%),
December 16 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 Fullerton Municipal Airport during the spring season, the average last frost date is December 23. Expect^* the last frost date after

January 22 in one of every two years (50%),
February 26 in one of every ten years (10%),
February 29 in one of every twenty years (5%),
March 12 in one of every hundred years (1%).

First frost

In Fullerton Municipal Airport during the autumn (fall) season, the average frost date is December 27. Expect^* the first frost date before

December 18 in one of every two years (50%),
November 30 in one of every ten years (10%),
November 29 in one of every twenty years (5%),
November 11 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