Bandon, Oregon climate: Normal weather by month, frost dates and records
Bandon's normal year runs from 40°F December nights to 69°F August afternoons, with 57.8 inches of precipitation and less than an inch of snow (0.3 in) a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 11.8°C, December lows of 4°C, August highs of 20°C, 1,468 mm of precipitation a year.
- NOAA stationBandon (2 mi NNE)
- Station IDUSC00350471
- Location43.15°N 124.40°W
- Elevation23 ft (7 m)
- Population3,311
On October 12, the normal high in Bandon is 65°F and the normal low 46°F, and the chance of measurable rain or snow is 42%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Bandon.
- Jan 55° 40°
- Feb 56° 40°
- Mar 56° 41°
- Apr 58° 43°
- May 62° 47°
- Jun 65° 50°
- Jul 68° 53°
- Aug 69° 53°
- Sep 68° 50°
- Oct 64° 46°
- Nov 58° 43°
- Dec 55° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Bandon each month?
August is the warmest month, with normal highs of 69°F; December the coldest, with normal lows of 40°F. The most precipitation falls in December (9.83 in), the least in July (0.35 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 55°F | 40°F | 47.6°F | 9.25 | 20 | <1 | 5 | 9 h 20 min |
| February | 56°F | 40°F | 48.0°F | 7.19 | 18 | <1 | 5 | 10 h 30 min |
| March | 56°F | 41°F | 48.6°F | 7.39 | 20 | <1 | 3 | 11 h 50 min |
| April | 58°F | 43°F | 50.5°F | 5.17 | 17 | <1 | 1 | 13 h 20 min |
| May | 62°F | 47°F | 54.3°F | 2.98 | 12 | <1 | <1 | 14 h 40 min |
| June | 65°F | 50°F | 57.7°F | 1.51 | 9 | <1 | <1 | 15 h 20 min |
| July | 68°F | 53°F | 60.4°F | 0.35 | 4 | <1 | <1 | 15 h 10 min |
| August | 69°F | 53°F | 60.6°F | 0.46 | 5 | <1 | <1 | 14 h |
| September | 68°F | 50°F | 58.7°F | 1.40 | 7 | <1 | <1 | 12 h 30 min |
| October | 64°F | 46°F | 54.9°F | 4.02 | 14 | <1 | <1 | 11 h 10 min |
| November | 58°F | 43°F | 50.3°F | 8.23 | 20 | <1 | 3 | 9 h 50 min |
| December | 55°F | 40°F | 47.1°F | 9.83 | 21 | <1 | 5 | 9 h |
| Year (annual) | 61°F | 45°F | 53.2°F | 57.78 | 166 | <1 | 21 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 13°C | 5°C | 8.7°C | 235 mm |
| February | 13°C | 5°C | 8.9°C | 183 mm |
| March | 13°C | 5°C | 9.2°C | 188 mm |
| April | 15°C | 6°C | 10.3°C | 131 mm |
| May | 17°C | 8°C | 12.4°C | 76 mm |
| June | 19°C | 10°C | 14.3°C | 38 mm |
| July | 20°C | 12°C | 15.8°C | 9 mm |
| August | 20°C | 11°C | 15.9°C | 12 mm |
| September | 20°C | 10°C | 14.8°C | 36 mm |
| October | 18°C | 8°C | 12.7°C | 102 mm |
| November | 14°C | 6°C | 10.2°C | 209 mm |
| December | 13°C | 4°C | 8.4°C | 250 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350471; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Bandon?
Normal highs sit between 65°F and 85°F in June, July, August and September. Of those, July has the fewest days with rain (4).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350471.
When is the last frost in Bandon?
In Bandon, the last spring frost (32°F) comes after March 9 in half of years and after April 7 in one year in ten; the first autumn frost comes before November 27 in half of years and before November 1 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 91 year in 10 after April 7; 9 in 10 after January 31
- First autumn frost, half of years before
- November 271 year in 10 before November 1; 9 in 10 before January 8
NOAA puts the median frost-free season at 260 days, and the season without a hard freeze (28°F) at 338 days.
A hard freeze (28°F) comes after January 29 in half of springs and before December 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Bandon in zone 9b in ZIP code 97411, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Bandon's NOAA station is in zone 9b: the coldest night of a typical year reaches 25°F (26 complete years).
Frost dates for every NOAA station in Oregon · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00350471; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Bandon?
In a normal year in Bandon, a 90°F day is rare, 21 nights fall to 32°F or colder and 166 days bring measurable precipitation.
- Days at 90°F or more
- fewer than 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 21a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 166a normal year
The highest temperature in this station's record (since 1941) is 93°F, on September 21, 2009; the lowest is 8°F, on December 21, 1990.
The wettest calendar year on that record is 1996, with 91.00 in; the snowiest season is 1968–69, with 18.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00350471; records: ACIS (NOAA Regional Climate Centers), station USC00350471. Records use complete months only; a month missing more than three days is left out.
How sunny is Bandon?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Bandon, 3.9 kWh per square metre a day. July is the sunniest month (81%) and December the cloudiest (58%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 61% | 1.5 |
| February | 64% | 2.3 |
| March | 65% | 3.4 |
| April | 69% | 4.8 |
| May | 73% | 5.9 |
| June | 75% | 6.4 |
| July | 81% | 6.6 |
| August | 79% | 5.6 |
| September | 78% | 4.5 |
| October | 72% | 2.9 |
| November | 63% | 1.7 |
| December | 58% | 1.2 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Bandon need?
A normal year in Bandon brings 4,297 heating degree days, 20% fewer than the median U.S. place (5,373), and 7 cooling degree days, 99% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,686 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 541 | 0 |
| February | 477 | 0 |
| March | 508 | 0 |
| April | 435 | 0 |
| May | 332 | 0 |
| June | 221 | 0 |
| July | 143 | 2 |
| August | 138 | 2 |
| September | 191 | 2 |
| October | 314 | 1 |
| November | 441 | 0 |
| December | 555 | 0 |
| Year (annual) | 4,297 | 7 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00350471. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Bandon been warmer than normal lately?
Over 53 complete years from 1942 to 2018, the station's annual mean temperature rose at a fitted 3.5°F per century (+0.20°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Bandon's climate compare?
Bandon is warmer than 74 of the other 104 places with their own NOAA record in Oregon, and wetter than 75. Across the 7,247 U.S. stations with normals, its annual mean of 53.2°F is warmer than 54%.
In the Köppen classification computed from these normals, Bandon is Csb: temperate, dry-summer, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Bandon's climate
What is the coldest month in Bandon?
December, with a normal high of 55°F and a normal low of 40°F. The warmest is August (69°F by day, 53°F at night).
Does it snow in Bandon?
Rarely: NOAA's normal is 0.3 inch a year.
What is the rainiest month in Bandon?
December, with 9.83 in of precipitation in a normal year; the driest is July with 0.35 in.
What plant hardiness zone is Bandon in?
The USDA's 2023 map puts Bandon in zone 9b in ZIP code 97411, the nearest ZIP area. By the same method at Bandon's NOAA station, the coldest night of a typical year reaches 25°F (26 years, 1991-2020): zone 9b.
How late can frost come in Bandon?
In half of years the last 32°F night comes after March 9; in one year in ten it comes after April 7. Waiting until April 7 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Oregon climateThe statewide normals and every place in the state
- Coos Bay, OR9 miles from this station, 50.5°F a year
- Coquille, OR11 miles from this station, 53.2°F a year
- Langlois, OR16 miles from this station, 52.9°F a year
- North Bend, OR20 miles from this station, 53.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made