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Lillestrøm, Norway climate
Cfb Oceanic / temperate
Lillestrøm has a seasonal cold-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 73°F, while the coldest is January averaging around 24°F at night. Around 33 inches of precipitation falls each year, peaking in August (4.1 inches) and easing off in March (1.6 inches). At latitude 60°N, day length swings from 5.6 hours in midwinter to 18.4 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsLillestrøm climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 34 | 42 | 52 | 62 | 69 | 73 | 70 | 62 | 49 | 40 | 34 |
| Avg temp (°F) | 28 | 29 | 35 | 44 | 53 | 60 | 64 | 62 | 55 | 44 | 36 | 29 |
| Avg low (°F) | 24 | 24 | 28 | 36 | 44 | 51 | 56 | 55 | 48 | 39 | 32 | 25 |
| Precipitation (in) | 2.3 | 1.8 | 1.6 | 1.9 | 2.3 | 3.2 | 3.4 | 4.1 | 3.3 | 3.7 | 3.3 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 32 | 34 | 42 | 52 | 62 | 69 |
| Avg temp (°F) | 28 | 29 | 35 | 44 | 53 | 60 |
| Avg low (°F) | 24 | 24 | 28 | 36 | 44 | 51 |
| Precipitation (in) | 2.3 | 1.8 | 1.6 | 1.9 | 2.3 | 3.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 70 | 62 | 49 | 40 | 34 |
| Avg temp (°F) | 64 | 62 | 55 | 44 | 36 | 29 |
| Avg low (°F) | 56 | 55 | 48 | 39 | 32 | 25 |
| Precipitation (in) | 3.4 | 4.1 | 3.3 | 3.7 | 3.3 | 2.1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 10 | 11 | 12 | 13 | 14 | 14 | 12 | 14 | 15 | 14 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | — | 0.3 | — | — | — | — | — |
| Days with low ≤ 32°F (days) | 26 | 24 | 22 | 8 | 0.8 | — | — | — | 0.2 | 6 | 15 | 24 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 10 | 11 | 12 | 13 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | — |
| Days with low ≤ 32°F (days) | 26 | 24 | 22 | 8 | 0.8 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 14 | 12 | 14 | 15 | 14 |
| Days with high ≥ 90°F (days) | 0.3 | — | — | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.2 | 6 | 15 | 24 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 69 | 68 | 65 | 67 | 68 | 68 | 70 | 73 | 76 | 76 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 3 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
| Partly cloudy days (30–70%) | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 8 | 9 |
| Cloudy days (≥ 70%) | 22 | 18 | 17 | 16 | 15 | 16 | 17 | 16 | 18 | 20 | 20 | 21 |
| Relative humidity (%) | 98 | 98 | 93 | 83 | 78 | 78 | 80 | 84 | 87 | 93 | 97 | 97 |
| Wind speed (mph) | 0.7 | 0.6 | 0.7 | 0.8 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.7 | 0.6 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 69 | 68 | 65 | 67 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 3 | 5 | 3 |
| Partly cloudy days (30–70%) | 8 | 8 | 11 | 11 | 11 | 11 |
| Cloudy days (≥ 70%) | 22 | 18 | 17 | 16 | 15 | 16 |
| Relative humidity (%) | 98 | 98 | 93 | 83 | 78 | 78 |
| Wind speed (mph) | 0.7 | 0.6 | 0.7 | 0.8 | 0.7 | 0.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 68 | 70 | 73 | 76 | 76 |
| Clear days (≤ 30% cloud) | 3 | 3 | 3 | 2 | 2 | 2 |
| Partly cloudy days (30–70%) | 11 | 11 | 9 | 9 | 8 | 9 |
| Cloudy days (≥ 70%) | 17 | 16 | 18 | 20 | 20 | 21 |
| Relative humidity (%) | 80 | 84 | 87 | 93 | 97 | 97 |
| Wind speed (mph) | 0.7 | 0.8 | 0.8 | 0.7 | 0.6 | 0.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Oslo Blindern, a weather station, about 18 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.