Monthly climate in Trail, Oregon, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Trail features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 2 °C (36 °F) and 21 °C (70 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 1021 mm (40.2 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually. Trail enjoys an average of 3057 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Trail, Oregon, United States §

The warmest months in Trail are June, July and August, with daily mean temperatures ranging from 17 to 21 °C (62 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 3 °C (36 - 37 °F) throughout the day. On average each year, Trail experiences 73 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trail, Oregon, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 15°C
(60°F)
19°C
(66°F)
21°C
(70°F)
26°C
(80°F)
30°C
(86°F)
41°C
(106°F)
36°C
(97°F)
39°C
(102°F)
36°C
(98°F)
28°C
(83°F)
22°C
(72°F)
18°C
(64°F)
Mean maximum 13°C
(56°F)
15°C
(60°F)
19°C
(66°F)
24°C
(76°F)
28°C
(82°F)
33°C
(91°F)
34°C
(93°F)
36°C
(97°F)
33°C
(91°F)
25°C
(77°F)
19°C
(66°F)
13°C
(56°F)
Average high 8°C
(46°F)
8°C
(47°F)
11°C
(52°F)
15°C
(59°F)
19°C
(66°F)
24°C
(75°F)
29°C
(84°F)
29°C
(84°F)
24°C
(76°F)
17°C
(63°F)
11°C
(52°F)
7°C
(44°F)
Daily mean 3°C
(37°F)
3°C
(37°F)
5°C
(41°F)
8°C
(47°F)
12°C
(54°F)
17°C
(62°F)
21°C
(70°F)
20°C
(69°F)
16°C
(61°F)
10°C
(50°F)
5°C
(42°F)
2°C
(36°F)
Average low -1°C
(31°F)
-1°C
(30°F)
0°C
(33°F)
2°C
(36°F)
6°C
(42°F)
9°C
(49°F)
12°C
(54°F)
12°C
(54°F)
9°C
(48°F)
4°C
(39°F)
1°C
(34°F)
-1°C
(30°F)
Mean minimum -7°C
(19°F)
-8°C
(18°F)
-5°C
(23°F)
-4°C
(25°F)
-1°C
(31°F)
3°C
(38°F)
8°C
(46°F)
7°C
(45°F)
2°C
(37°F)
-2°C
(29°F)
-6°C
(21°F)
-7°C
(20°F)
Minimum -14°C
(7°F)
-13°C
(9°F)
-7°C
(19°F)
-9°C
(16°F)
-2°C
(29°F)
2°C
(36°F)
5°C
(42°F)
6°C
(43°F)
1°C
(34°F)
-3°C
(26°F)
-11°C
(12°F)
-8°C
(17°F)

Compare climate in Trail with other places

Compare temperature, precipitation, sunshine, UV index in Trail, Oregon, United States with other places around the world.

Monthly average precipitation in Trail, Oregon, United States §

Trail usually has the most precipitation in January, February and December, with an average of 15 rainy days and 149 mm (5.9 inches) of precipitation per month. The driest months in Trail are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trail, Oregon, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 145 (5.7) 170 (6.7) 119 (4.7) 111 (4.4) 59 (2.3) 31 (1.2) 1 (0.0) 7 (0.3) 54 (2.1) 72 (2.8) 117 (4.6) 133 (5.2)
Average precipitation days (≥ 1 mm) 14 16 16 13 9 5 0 1 6 8 13 16

Monthly sunshine hours in Trail, Oregon, United States §

The sunniest months in Trail are June, July and August, when the sun shines an average of 12 hours 20 minutes a day. Least sunny months in Trail: January, February and December receive an average of 4 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trail, Oregon, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 103 151 225 255 330 363 404 368 299 247 169 138
Mean daily daylight hours 9h 26m 10h 33m 11h 58m 13h 25m 14h 38m 15h 15m 14h 54m 13h 49m 12h 25m 10h 59m 9h 43m 9h 5m

Solar UV radiation in Trail, Oregon, United States §

Trail experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Trail UV Index data.

Average daily maximum UV levels by month for Trail, Oregon, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 7 8 11 11 10 10 8 6 4 2

Detailed Monthly Weather Insights for Trail, Oregon, United States

Discover in-depth weather details for every month in Trail. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Trail's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.