Monthly climate averages for Sarpsborg, Norway. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewSarpsborg, Norway in June has warm conditions, with highs averaging 20.3°C (69°F). Rain falls on about 11 days this month. Sea temperature stays cool at 17.6°C (64°F).
This month falls at the beginning of Summer.
Temperatures remain fairly steady throughout June, with daily highs around 21°C (70°F).
June sees fairly even rainfall, totalling about 73 mm across the month.
The warmest days tend to fall around the 26th, averaging 22.3°C (72°F).
Compared to May, this month is about 4°C warmer with 2 more rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 20°C (69°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -4°C | -4°C / -8°C | 11days (71 mm) Wet | 2.6h Poor | 85% Humid | 0.5 Low | Poor | View Details |
| February | 2°C / -3°C | -2°C / -7°C | 10days (58 mm) Wet | 4.8h Fair | 83% Humid | 1.1 Low | Poor | View Details |
| March | 6°C / -1°C | 1°C / -5°C | 9days (50 mm) Wet | 7.2h Good | 78% Humid | 2.3 Moderate | Poor | View Details |
| April | 11°C / 2°C | 7°C / -2°C | 7days (43 mm) Good | 10.4h Excellent | 68% Muggy | 3.7 Moderate | Fair | View Details |
| May best | 16°C / 8°C | 14°C / 5°C | 9days (51 mm) Wet | 12.5h Excellent | 66% Muggy | 5.1 High | Fair | View Details |
| June best | 20°C / 12°C | 19°C / 11°C | 11days (73 mm) Wet | 13.4h Excellent | 69% Muggy | 5.7 High | Good | View Details |
| July best | 21°C / 14°C | 20°C / 13°C | 12days (92 mm) Wet | 13h Excellent | 72% Muggy | 5 Moderate | Excellent | View Details |
| August best | 20°C / 13°C | 18°C / 12°C | 13days (91 mm) Wet | 10.7h Excellent | 77% Humid | 4.3 Moderate | Excellent | View Details |
| September best | 16°C / 11°C | 15°C / 9°C | 12days (94 mm) Wet | 7.7h Good | 80% Humid | 3 Moderate | Good | View Details |
| October | 10°C / 6°C | 7°C / 3°C | 13days (93 mm) Wet | 4.9h Fair | 84% Humid | 1.5 Low | Poor | View Details |
| November | 5°C / 2°C | 2°C / -2°C | 12days (78 mm) Wet | 2.5h Poor | 88% Very Muggy | 0.6 Low | Poor | View Details |
| December | 2°C / -2°C | -2°C / -6°C | 13days (70 mm) Wet | 1.7h Poor | 89% Very Muggy | 0.3 Low | Poor | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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