Photo: Finetooth · CC BY-SA 3.0Hardly any U.S. towns collect more precipitation than Oceanside: 95 inches a year
Midwinter brings lows of about 38°. From frosty January to warm July, readings climb 30°. In July, afternoons here are cooler than in almost every U.S. town. Picnics, hikes and garden evenings come into their own from June to September, with highs of 63–68°.
A year in Oceanside at a glance
Each month’s typical high and low, and what it brings.
What stands out about Oceanside’s climate
Compared with towns across the U.S., with Oceanside’s place in Oregon beside it.
What a year in Oceanside feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 183 frost-free days a year
In half of years the last 32° night comes by April 22 and the first by October 21. Frost and day counts come from NOAA’s station at Tillamook, OR, 5 miles from the town’s center, 190 ft lower.
The 2023 USDA map puts Oceanside’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 22°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 95 inches of rain a year
December is the wettest month and July the driest. Rain falls on about 197 days a year. Snow is rare: about 0.2" in a normal year at Tillamook, OR, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Oceanside
Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Tillamook, OR.
Living with Oceanside’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
183 frost-free days in zone 9a. The last frost comes by Apr 22 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 21.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 2.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Oceanside from natural hazards, river flooding is the largest share (45%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Oceanside and similar climates
TownRatings has no climate map of the towns around Oceanside yet.
Climates most like Oceanside’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Oceanside, OR | 38° | 67° | 95" | 0.2" |
| Crescent City, CA | 42° | 64° | 69" | 0.0" |
| Sultan, WA | 35° | 76° | 75" | 3.0" |
| Juneau, AK | 27° | 63° | 90" | 88" |
| Brevard, NC | 27° | 83° | 69" | 7.1" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Oceanside averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.8°).
A smaller shift than in 80% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Oceanside compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Oceanside’s place among Oregon’s.
Oceanside weather by month
Highs, lows and precipitation from NOAA’s grid at Oceanside’s center; snow, wet days and snow on the ground from Tillamook, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 50° | 38° | 13.9" | 0.0" | 22 | 0 | 40° – 49° |
| February | 52° | 38° | 10.0" | 0.2" | 19 | 0 | 39° – 50° |
| March | 53° | 38° | 10.7" | 0.0" | 22 | 0 | 43° – 51° |
| April | 56° | 41° | 8.1" | 0.0" | 20 | 0 | 44° – 53° |
| May | 60° | 45° | 4.9" | 0.0" | 15 | 0 | 48° – 57° |
| June | 63° | 48° | 3.5" | 0.0" | 13 | 0 | 53° – 58° |
| July | 67° | 51° | 1.0" | 0.0" | 6 | 0 | 56° – 61° |
| August | 68° | 52° | 1.4" | 0.0" | 7 | 0 | 58° – 62° |
| September | 67° | 49° | 3.5" | 0.0" | 10 | 0 | 54° – 61° |
| October | 61° | 44° | 8.6" | 0.0" | 18 | 0 | 50° – 57° |
| November | 54° | 40° | 14.1" | 0.0" | 23 | 0 | 42° – 51° |
| December | 50° | 38° | 15.3" | 0.0" | 23 | 0 | 39° – 47° |
| Year | 58° | 44° | 94.8" | 0.2" | 197 | 0 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 39° to 50°. August is the most reliable, staying within 4°.
Where Oceanside’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Oceanside’s center.
- Snow: Tillamook, OR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Tillamook, OR, 5 miles from the town’s center, 190 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Oceanside’s climate
What is the weather like in Oceanside?
A typical July afternoon reaches 67°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; cooler July afternoons than all but 41 U.S. towns.
How cold does it get in Oceanside in winter?
December nights average 38°. About 47 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 39°.
How much snow does Oceanside get?
About 0.2 inches in a normal winter at Tillamook, OR, so most winters see none.
How hot does it get in Oceanside?
July, with a typical high of 67°. 90° days are rare: none in a normal year at Tillamook, OR.
When is the first and last frost in Oceanside?
In half of years the last spring frost (32°) comes by April 22 and the first fall frost by October 21, about 183 frost-free days, at Tillamook, OR.
What growing zone is Oceanside in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 22°.
What is the best time of year to visit Oceanside?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Oceanside getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 80% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Oceanside.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.