Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Longview Heights features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 4 °C (40 °F) and 19 °C (66 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 44 °C (112 °F). The average annual precipitation amounts to about 1390 mm (54.7 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually. Longview Heights enjoys an average of 2496 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 42 minutes per day.
The warmest months in Longview Heights are July, August and September, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Longview Heights experiences 41 days above 25 °C (77.0 °F) and 41 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 15°C (59°F) |
15°C (60°F) |
24°C (75°F) |
29°C (85°F) |
30°C (86°F) |
44°C (112°F) |
36°C (96°F) |
38°C (100°F) |
34°C (93°F) |
24°C (76°F) |
17°C (63°F) |
14°C (57°F) |
| Mean maximum | 13°C (55°F) |
13°C (55°F) |
19°C (66°F) |
24°C (76°F) |
28°C (82°F) |
33°C (91°F) |
32°C (90°F) |
35°C (96°F) |
31°C (88°F) |
21°C (70°F) |
16°C (62°F) |
13°C (55°F) |
| Average high | 8°C (47°F) |
8°C (46°F) |
12°C (53°F) |
15°C (59°F) |
19°C (66°F) |
21°C (71°F) |
25°C (77°F) |
26°C (79°F) |
22°C (72°F) |
15°C (60°F) |
11°C (51°F) |
7°C (46°F) |
| Daily mean | 5°C (41°F) |
4°C (40°F) |
7°C (45°F) |
10°C (50°F) |
13°C (56°F) |
16°C (61°F) |
18°C (65°F) |
19°C (66°F) |
16°C (61°F) |
10°C (51°F) |
7°C (45°F) |
4°C (40°F) |
| Average low | 2°C (37°F) |
1°C (34°F) |
3°C (38°F) |
5°C (42°F) |
8°C (47°F) |
11°C (51°F) |
12°C (54°F) |
13°C (55°F) |
11°C (52°F) |
6°C (43°F) |
4°C (39°F) |
2°C (36°F) |
| Mean minimum | -5°C (24°F) |
-5°C (23°F) |
-2°C (29°F) |
0°C (33°F) |
3°C (38°F) |
6°C (44°F) |
9°C (49°F) |
8°C (48°F) |
6°C (43°F) |
-1°C (31°F) |
-3°C (27°F) |
-5°C (24°F) |
| Minimum | -9°C (16°F) |
-8°C (17°F) |
-3°C (26°F) |
-1°C (30°F) |
3°C (37°F) |
5°C (42°F) |
8°C (46°F) |
8°C (46°F) |
5°C (42°F) |
-4°C (25°F) |
-4°C (25°F) |
-7°C (19°F) |
Compare temperature, precipitation, sunshine, UV index in Longview Heights, Washington, United States with other places around the world.
Longview Heights usually has the most precipitation in January, November and December, with an average of 18 rainy days and 190 mm (7.5 inches) of precipitation per month. The driest months in Longview Heights are June, July and August. On average, 26 mm (1.0 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 190 (7.5) | 175 (6.9) | 150 (5.9) | 125 (4.9) | 74 (2.9) | 59 (2.3) | 10 (0.4) | 10 (0.4) | 84 (3.3) | 132 (5.2) | 179 (7.0) | 202 (8.0) |
| Average precipitation days (≥ 1 mm) | 17 | 19 | 18 | 16 | 11 | 8 | 2 | 2 | 9 | 13 | 18 | 19 |
The sunniest months in Longview Heights are June, July and August, when the sun shines an average of 10 hours 31 minutes a day. Least sunny months in Longview Heights: January, February and December receive an average of 3 hours 11 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 80 | 116 | 190 | 215 | 275 | 303 | 346 | 318 | 247 | 189 | 119 | 93 |
| Mean daily daylight hours | 9h 4m | 10h 21m | 11h 57m | 13h 35m | 14h 59m | 15h 42m | 15h 18m | 14h 3m | 12h 28m | 10h 50m | 9h 24m | 8h 40m |
Longview Heights experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High 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 3. For more detailed information, check out our hourly Longview Heights UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 2 | 3 | 5 | 6 | 9 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
Discover in-depth weather details for every month in Longview Heights. 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 Longview Heights'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.