Grand Mound, Washington Climate
United States
Pop. 2,981 Elev. 47 m / 154 ft
TZ: America/Los_Angeles (UTC-7) ·
Summers in Grand Mound are mild, with July highs around 80°F (27°C), while winters are cool with January lows of 33°F (1°C). Expect around 82 rainy days annually (49.9 in / 1268 mm total), with 10 in (246 mm) of annual snowfall. The city averages 77 sunny days per year and around 32 thunderstorm days. Nearby lake water reaches 67°F (19°C) in summer.
| Temperature | 80°F (27°C) high | 33°F (0°C) low |
| Feels like | 82°F (28°C) high | 33°F (0°C) low |
| Rain | 82 days | 49.9 in (1268 mm) /yr |
| Snow | 0 days | 9.7 in (246 mm) /yr |
| Sky | 77 sunny | 32 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
58
Jan 73
Feb 88
Mar 59
Apr 66
May 54
Jun 43
Jul 56
Aug 56
Sep 63
Oct 88
Nov 85
Dec Humidity (%)
85
Jan 81
Feb 82
Mar 66
Apr 65
May 64
Jun 61
Jul 67
Aug 75
Sep 81
Oct 89
Nov 91
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 14 mi Olympia Regional Airport (OLM)
Ski resort 76 mi Tubing Hill
National park 62 mi Lewis and Clark National Historical Park
Mountain peak
(5,709 ft) 52 mi Point A
Hospital 5 mi Providence Centralia Hospital
Hiking trail 14 mi Twin Peaks Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 46°F 8°C | 33°F 0°C | 2.7 in 69 mm | 0.1 in4 mm | 8 |
| February | 47°F 8°C | 36°F 2°C | 5.9 in 150 mm | 9.2 in234 mm | 4 |
| March | 55°F 13°C | 41°F 5°C | 7.8 in 197 mm | 0.2 in6 mm | 0 |
| April | 62°F 17°C | 42°F 6°C | 3.0 in 77 mm | — | 7 |
| May | 67°F 19°C | 46°F 8°C | 1.6 in 42 mm | — | 6 |
| June | 73°F 23°C | 50°F 10°C | 0.9 in 23 mm | — | 10 |
| July | 80°F 27°C | 53°F 12°C | 0.1 in 2 mm | — | 15 |
| August | 80°F 26°C | 56°F 13°C | 1.6 in 41 mm | — | 8 |
| September | 74°F 24°C | 52°F 11°C | 1.5 in 37 mm | — | 10 |
| October | 60°F 16°C | 44°F 7°C | 5.8 in 148 mm | — | 8 |
| November | 53°F 12°C | 43°F 6°C | 7.7 in 195 mm | — | 0 |
| December | 50°F 10°C | 40°F 5°C | 11.3 in 287 mm | 0.1 in2 mm | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 8 | 0 |
| February | 4 | 5 |
| March | 0 | 4 |
| April | 7 | 2 |
| May | 6 | 0 |
| June | 10 | 1 |
| July | 15 | 0 |
| August | 8 | 0 |
| September | 10 | 0 |
| October | 8 | 6 |
| November | 0 | 4 |
| December | 1 | 10 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 41°F 5°C |
| February | 37°F 3°C |
| March | 42°F 5°C |
| April | 48°F 9°C |
| May | 54°F 12°C |
| June | 61°F 16°C |
| July | 65°F 18°C |
| August | 67°F 19°C |
| September | 65°F 18°C |
| October | 55°F 13°C |
| November | 49°F 9°C |
| December | 46°F 8°C |