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Weather & Climate in Roa, Norway
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roa has a cool climate with an average annual temperature of 39°F (4°C). Winters average 21°F in January while summers reach 59°F in July. The area gets 279 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 31.7 inches. The area receives 11.6 inches of snow annually. The city sits at an elevation of 853 feet.
Temperature
21°F Jan (-6°C)
59°F Jul (15°C)
| Annual Average | 38.7°F |
| 28% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 853 ft (260 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 3,310/sq mi |
| Coordinates | 60.2909°N, 10.6159°W |
| Timezone | Europe/Oslo |
Precipitation & Snow
Air Quality
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 19, 1992 | 5 km SE of Fredrikstad, Norway | M3.8 | 125 km | 10 km |
| Nov 19, 1994 | 0 km WNW of Jessheim, Norway | M3.5 | 35 km | 10 km |
| Apr 7, 2004 | 11 km N of Sand, Norway | M3.4 | 54 km | 23 km |
| Nov 12, 1993 | 2 km SE of Åmotfors, Sweden | M3.4 | 116 km | 10 km |
| Nov 27, 1993 | 4 km SW of Sand, Norway | M3.1 | 48 km | 10 km |
| May 25, 2008 | 4 km WSW of Åneby, Norway | M2.9 | 26 km | 15 km |
| Jun 30, 1992 | 9 km NNW of Elverum, Norway | M2.8 | 89 km | 10 km |
| Aug 1, 1994 | 30 km N of Noresund, Norway | M2.7 | 56 km | 5 km |
| Aug 15, 1991 | 7 km ESE of Stavern, Norway | M2.7 | 148 km | 10 km |
| Aug 22, 1994 | 21 km S of Reinsvoll, Norway | M2.7 | 22 km | 10 km |
| Nov 19, 1994 | 7 km NW of Jessheim, Norway | M2.7 | 28 km | 10 km |
| Nov 21, 1994 | 6 km NNW of Jessheim, Norway | M2.7 | 30 km | 10 km |
| Jan 29, 2005 | 7 km NNE of Hvittingfoss, Norway | M2.6 | 89 km | 15 km |
| Feb 1, 1991 | 5 km SSE of Melsomvik, Norway | M2.6 | 125 km | 10 km |
| Dec 12, 1994 | 8 km S of Rotnes, Norway | M2.6 | 37 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1966 | EASTERN NORWAY | Meteorological | 6.0 m | — | 77 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.2 in | Coldest |
| February | 21°F (-6°C) | 1.5 in | Driest |
| March | 28°F (-2°C) | 2.0 in | |
| April | 36°F (2°C) | 1.8 in | |
| May | 48°F (9°C) | 2.1 in | |
| June | 55°F (13°C) | 3.0 in | |
| July | 59°F (15°C) | 3.3 in | Warmest |
| August | 56°F (14°C) | 3.2 in | |
| September | 48°F (9°C) | 3.3 in | |
| October | 39°F (4°C) | 3.7 in | Wettest |
| November | 30°F (-1°C) | 3.2 in | |
| December | 23°F (-5°C) | 2.3 in |
Roa has a seasonal temperature swing of 37°F / from 21°F in January to 59°F in July. Total annual precipitation is 31.6 inches, with October being the wettest month (3.7") and February the driest (1.5").