Roseburg weather in May: Roseburg, Oregon: normal highs, lows, rain and records for May
Roseburg in May has a normal high of 71°F and a normal low of 48°F, a daily mean of 60°F, rising from 68°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 2.09 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 9°C, 53 mm of precipitation in May.
- NOAA stationRoseburg Regional Airport
- Station IDUSW00024231
- Location43.24°N 123.35°W
- Elevation525 ft (160 m)
- Population23,795
- Jan 50° 37°
- Feb 54° 38°
- Mar 59° 40°
- Apr 63° 43°
- May 71° 48°
- Jun 77° 53°
- Jul 86° 57°
- Aug 86° 57°
- Sep 80° 52°
- Oct 67° 45°
- Nov 54° 41°
- Dec 48° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Roseburg in May?
The normal high is 71°F and the normal low 48°F, for a daily mean of 59.5°F. May is 6.6°F warmer than April and 5.1°F cooler than June. May is the 5th warmest month of the year in Roseburg and the 8th wettest. Across the month the normal high rises 5°F, from 68°F on May 1 to 73°F on May 31. From one year to the next May's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Mays in three average between 57°F and 62°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 68°F | 45°F | 41% | 21% |
| May 8 | 70°F | 47°F | 39% | 20% |
| May 15 | 71°F | 48°F | 37% | 19% |
| May 22 | 72°F | 49°F | 35% | 17% |
| May 31 | 73°F | 50°F | 30% | 14% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 68°F | 45°F | 41% | 21% | 14 h 10 min |
| May 2 | 68°F | 45°F | 41% | 21% | 14 h 10 min |
| May 3 | 68°F | 46°F | 40% | 21% | 14 h 10 min |
| May 4 | 69°F | 46°F | 40% | 21% | 14 h 10 min |
| May 5 | 69°F | 46°F | 40% | 20% | 14 h 20 min |
| May 6 | 69°F | 46°F | 39% | 20% | 14 h 20 min |
| May 7 | 69°F | 46°F | 39% | 20% | 14 h 20 min |
| May 8 | 70°F | 47°F | 39% | 20% | 14 h 20 min |
| May 9 | 70°F | 47°F | 38% | 19% | 14 h 20 min |
| May 10 | 70°F | 47°F | 38% | 19% | 14 h 30 min |
| May 11 | 70°F | 47°F | 38% | 19% | 14 h 30 min |
| May 12 | 71°F | 47°F | 37% | 19% | 14 h 30 min |
| May 13 | 71°F | 48°F | 37% | 19% | 14 h 30 min |
| May 14 | 71°F | 48°F | 37% | 19% | 14 h 40 min |
| May 15 | 71°F | 48°F | 37% | 19% | 14 h 40 min |
| May 16 | 71°F | 48°F | 37% | 18% | 14 h 40 min |
| May 17 | 72°F | 48°F | 36% | 18% | 14 h 40 min |
| May 18 | 72°F | 48°F | 36% | 18% | 14 h 40 min |
| May 19 | 72°F | 49°F | 36% | 18% | 14 h 50 min |
| May 20 | 72°F | 49°F | 36% | 18% | 14 h 50 min |
| May 21 | 72°F | 49°F | 35% | 17% | 14 h 50 min |
| May 22 | 72°F | 49°F | 35% | 17% | 14 h 50 min |
| May 23 | 72°F | 49°F | 34% | 17% | 14 h 50 min |
| May 24 | 73°F | 49°F | 34% | 17% | 15 h |
| May 25 | 73°F | 50°F | 33% | 16% | 15 h |
| May 26 | 73°F | 50°F | 33% | 16% | 15 h |
| May 27 | 73°F | 50°F | 32% | 16% | 15 h |
| May 28 | 73°F | 50°F | 32% | 15% | 15 h |
| May 29 | 73°F | 50°F | 31% | 15% | 15 h |
| May 30 | 73°F | 50°F | 31% | 15% | 15 h 10 min |
| May 31 | 73°F | 50°F | 30% | 14% | 15 h 10 min |
- Normal high
- 71°FMay average
- Normal low
- 48°FMay average
- Precipitation
- 2.09 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 16
- Days at 80°F or more
- 6
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024231; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Roseburg in May?
On a given May day the chance of 0.01 inch or more is 36% on average, highest around May 1 (41%). In all, 2.09 in falls on 11 days of a normal May.
In a normal May in Roseburg, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024231.
What are the records for May in Roseburg?
The warmest May temperature on this station's record (since 1900) is 105°F, on May 16, 2008; the coldest is 26°F, on May 1, 1954. The wettest May brought 6.90 in (1998).
The May mean against the 1991-2020 normal of 59.5°F: 2021 60.5°F (+1.0), 2022 56.6°F (−2.9), 2023 62.9°F (+3.4), 2024 59.6°F (+0.1), 2025 60.8°F (+1.3), 2026 61.8°F (+2.3). 5 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.5°F | +1.0°F | 0.75 in |
| 2022 | 56.6°F | −2.9°F | 2.68 in |
| 2023 | 62.9°F | +3.4°F | 1.01 in |
| 2024 | 59.6°F | +0.1°F | 1.74 in |
| 2025 | 60.8°F | +1.3°F | 0.59 in |
| 2026 | 61.8°F | +2.3°F | 0.17 in |
Source: records: ACIS, station USW00024231; recent months: ACIS, station USW00024231. Records and recent months use complete months only.
How does May in Roseburg compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, May normal highs run from 54°F in Government Camp to 76°F in Ontario; Roseburg's is 71°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.