Climate averages 1991–2020
Lillestrøm weather
in April.
A cool, moderately wet month: the 6th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Lillestrøm: daytime highs average 9.4°C and nights cool to about 0.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 53 mm of rain on roughly 9 days, which makes April a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 31 min on an average April day.
The nearest other city in this atlas is Oslo (18 km away). In April its highs average 9.8°C, about as warm as Lillestrøm, with 55 mm of rain.
Among the 8 cities listed in Norway, Lillestrøm ranks 5th of 8 for the warmest April highs and 2nd of 8 for the driest April (rainfall, lowest first). The mean April high of those 8 cities is 9.1°C; Lillestrøm is 0.3°C warmer than that mean.
From April to May, average highs rise by 5.7°C to 15.1°C, and monthly rainfall rises from 53 mm to 74 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lillestrøm climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.0°C-6.9°C | -6.9°C | 65 | 10.4 | 6.87 h |
| February | -0.7°C-6.5°C | -6.5°C | 49 | 8.3 | 9.19 h |
| March | 3.6°C-3.5°C | -3.5°C | 49 | 8.0 | 11.812 h |
| April, selected | 9.4°C0.7°C | 0.7°C | 53 | 9.0 | 14.515 h |
| May | 15.1°C5.8°C | 5.8°C | 74 | 11.5 | 17.117 h |
| June | 18.8°C10.2°C | 10.2°C | 91 | 11.9 | 18.719 h |
| July | 21.0°C13.0°C | 13.0°C | 94 | 12.6 | 18.018 h |
| August | 19.6°C12.3°C | 12.3°C | 104 | 13.5 | 15.616 h |
| September | 15.0°C8.6°C | 8.6°C | 81 | 10.4 | 13.013 h |
| October | 8.5°C3.8°C | 3.8°C | 84 | 11.4 | 10.210 h |
| November | 3.3°C-0.3°C | -0.3°C | 84 | 11.6 | 7.68 h |
| December | -0.7°C-5.0°C | -5.0°C | 66 | 10.8 | 6.16 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Oslo in AprilNorway · 18 kmHigh 9.8°C · Low 1.1°C · 55 mm rain
- Drammen in AprilNorway · 53 kmHigh 9.8°C · Low 0.9°C · 56 mm rain
- Fredrikstad in AprilNorway · 82 kmHigh 9.7°C · Low 2.9°C · 47 mm rain
- Örebro in AprilSweden · 246 kmHigh 10.3°C · Low 1.7°C · 39 mm rain
- Gothenburg in AprilSweden · 256 kmHigh 10.9°C · Low 2.9°C · 53 mm rain
- Kristiansand in AprilNorway · 266 kmHigh 9.5°C · Low 3.4°C · 69 mm rain
- Borås in AprilSweden · 271 kmHigh 10.7°C · Low 2.3°C · 53 mm rain
- Jönköping in AprilSweden · 301 kmHigh 9.5°C · Low 2.4°C · 42 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lillestrøm) is explained once on the Lillestrøm year overview and on the Sources, method and limits page.