Oceanside, CA weather in March
March in Oceanside: cool and mostly dry. Highs 62°F, lows 51°F, rain on about 5 days.
- Normal high
- 62°F
- Normal low
- 51°F
- Wet days
- 5
- 1.4 in total
- Muggy days
- 0
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 62°F | 62°F |
| Normal low | 49°F | 52°F |
| Chance of a wet day | 20% | 13% |
| Sunrise / sunset | 6:17 am / 5:46 pm | 6:38 am / 7:08 pm |
| Daylight | 11.5 h | 12.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical March day
- 6 am48°Fdew point 44°F
- 9 am59°Fdew point 48°F
- Noon66°Fdew point 48°F
- 3 pm66°Fdew point 48°F
- 6 pm60°Fdew point 48°F
- 9 pm53°Fdew point 47°F
NOAA hourly normals (local standard time) from Camp Pendleton MCAS (7 mi away); average wind 4 mph; clear or few clouds in 56% of daytime hours, mostly cloudy or overcast in 36%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow5 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 1.4 in; a dry March brings about 0.6 in and a wet one about 1.7 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How March varies from year to year
- Warmest March, 1991-20202015: average high 69°F
- Coolest March1999: average high 58°F
- Wettest March1991: 5.3 in
- Driest March1997: no measurable precipitation
- Highest reading86°F (March 13, 2015)
- Lowest reading36°F (March 16, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 62°F | 62°F | 63°F |
| Normal low | 48°F | 51°F | 53°F |
| Wet days | 6 | 5 | 3 |
| Comfortable days | 6 | 6 | 10 |
| Daylight | 11.0 h | 12.0 h | 13.0 h |
Highs change by 0°F from February and +1°F into April.
Nearby alternatives in March
- Warmer: Escondido, CA18 mi · high 71°F · 6 wet days
- Drier: Palm Springs, CA65 mi · high 81°F · 2 wet days
- Cooler: Big Bear Lake, CA77 mi · high 51°F · 6 wet days
How Oceanside ranks in March
- Normal high182nd warmest of 378 cities; 56th of 60 in California
- Wet days32nd driest of 378
- Comfortable days206th most of 339
Heating and cooling
March has 271 heating degree days and 2 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How cold is Oceanside in March?
The normal high is 62°F and the normal low is 51°F. From 1991 to 2020 the coldest March reading was 36°F (March 16, 1991).
Does it rain a lot in Oceanside in March?
About 5 days in March have at least 0.01 in of precipitation, and the normal total is 1.4 in. The wettest March in 1991-2020 was in 1991 (5.3 in); the driest was in 1997, with no measurable precipitation.
Is March a good time to visit Oceanside?
March ranks 9th of 12 months on our comfort score for Oceanside (58 out of 100). It has about 6 comfortable days. The best months are June and October.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Oceanside Marina (USC00046377), 1.3 mi NW of the city center, 10 ft (60 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Oceanside Muni Airport (USW00053121), 2.4 mi NE of the city center, 28 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Camp Pendleton MCAS (USW00003154), 7.4 mi NNE of the city center, 75 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: March AFB (USW00023119), 49 mi N of the city center, 1,516 ft (1,446 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Marine Corps Air Station (722926-03154), 7.6 mi N of the city center, 70 ft . Hourly observations, 1991-2020.