Winter
Dec → Feb0 to 2°
nights -5 to -3°
- 12 rainy days · 66 mm
When is the best time to visit Oslo?
- Jan0°not recommended
- Feb2°not recommended
- Mar5°not recommended
- Apr11°fair
- May17°recommended
- Jun21°recommended
- Jul22°recommended
- Aug20°recommended
- Sep17°fair
- Oct10°not recommended
- Nov5°not recommended
- Dec1°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Oslo, month by month
The table of records, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 0° | -5° | 73 mm | 12 d | |
| February | 2° | -4° | 59 mm | 10 d | |
| March | 5° | -2° | 58 mm | 9 d | |
| April | 11° | 2° | 50 mm | 8 d | |
| May | 17° | 7° | 78 mm | 12 d | ✓ |
| June | 21° | 12° | 86 mm | 12 d | ✓ |
| July | 22° | 14° | 111 mm | 13 d | ✓ |
| August | 20° | 13° | 94 mm | 13 d | ✓ |
| September | 17° | 10° | 101 mm | 11 d | |
| October | 10° | 5° | 83 mm | 12 d | |
| November | 5° | 1° | 80 mm | 12 d | |
| December | 1° | -3° | 67 mm | 13 d |
The four seasons in Oslo, in figures
What the 2015-2024 records (Bjørvika and the Opera House) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May5 to 17°
nights -2 to 7°
- 10 rainy days · 62 mm
Summer
Jun → Aug20 to 22°
nights 12 to 14°
- 13 rainy days · 97 mm
Autumn
Sep → Nov5 to 17°
nights 1 to 10°
- 12 rainy days · 88 mm
Book early for May to August
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Oslo, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 18h46 of daylight, in December 5h56, a difference of 12h50.
6h41Jan
9h03Feb
11h34Mar
14h27Apr
17h05May
18h46Jun
18h03Jul
15h35Aug
12h44Sep
9h58Oct
7h23Nov
5h56Dec
Calculated for the latitude of the reference point "Bjørvika and the Opera House" (59.91°). Values on the 15th of each month, local solar time.
What to do in Oslo, month by month
EventsHolmenkollen Ski FestivalMarchNational DayMayØyafestivalenAugustNobel Peace PrizeDecemberDetails ↓
favourablewith compromisesunfavourable
- Sightseeing & walks: April, May, June, September, October
- Long days: April, May, June, July, August
Grid derived from the records (temperature, rainfall), not from an opinion.
What's on in Oslo, month by month?
What comes back every year, and when. One of these events fills the hotels and pushes prices up: something to aim for or to avoid, depending on what you want.
- MarchHolmenkollen Ski Festival
The Holmenkollen jump hosts the World Cup ski jumping and Nordic combined events over a weekend in March, with packed stands.
- MayNational Day big crowds
Parades of schoolchildren in bunad march up Karl Johans gate to the Royal Palace in mid-May, with flags flying across the whole city.
- AugustØyafestivalen
The Øya festival takes over Tøyen park for four days in August, with a rock and pop line-up.
- DecemberNobel Peace Prize
The prize is awarded at the City Hall in mid-December, followed by a torchlight procession through the centre.
Travelling off-peak
Month by month, in detail
January
Not recommended0°-5° at night
- 73 mm · 12 d
Low season, lower prices
February
Not recommended2°-4° at night
- 59 mm · 10 d
Low season, lower prices
March
Not recommended5°-2° at night
- 58 mm · 9 d
Low season, lower prices
April
Fair11°2° at night
- 50 mm · 8 d
Low season, lower prices
May
Recommended17°7° at night
- 78 mm · 12 d
High season, book early
June
Recommended21°12° at night
- 86 mm · 12 d
Busy, without the crush
July
Recommended22°14° at night
- 111 mm · 13 d
High season, book early
August
Recommended20°13° at night
- 94 mm · 13 d
High season, book early
September
Fair17°10° at night
- 101 mm · 11 d
Low season, lower prices
October
Not recommended10°5° at night
- 83 mm · 12 d
Low season, lower prices
November
Not recommended5°1° at night
- 80 mm · 12 d
Low season, lower prices
December
Not recommended1°-3° at night
- 67 mm · 13 d
Quiet, then the holidays
Read the twelve months in detail
January. Deep winter: 0 °C at the warmest of the day, -5 °C at night. Expect 12 days of rain in the month (73 mm). Low season: fewer people, lower prices.
February. Deep winter: 2 °C at the warmest of the day, -4 °C at night. Expect 10 days of rain in the month (59 mm). Low season: fewer people, lower prices.
March. Deep winter: 5 °C at the warmest of the day, -2 °C at night. Expect 9 days of rain in the month (58 mm). Low season: fewer people, lower prices.
April. Cool: 11 °C at best, 2 °C at night. Expect 8 days of rain in the month (50 mm). Low season: fewer people, lower prices.
May. Cool: 17 °C at best, 7 °C at night. Expect 12 days of rain in the month (78 mm). High season: book early.
June. Mild, 21 °C in the afternoon and 12 °C early in the morning. Expect 12 days of rain in the month (86 mm). Busy season, without the crush.
July. Mild, 22 °C in the afternoon and 14 °C early in the morning. Expect 13 days of rain in the month (111 mm). High season: book early.
August. Mild, 20 °C in the afternoon and 13 °C early in the morning. Expect 13 days of rain in the month (94 mm). High season: book early.
September. Cool: 17 °C at best, 10 °C at night. Expect 11 days of rain in the month (101 mm). Low season: fewer people, lower prices.
October. Cool: 10 °C at best, 5 °C at night. Expect 12 days of rain in the month (83 mm). Low season: fewer people, lower prices.
November. Deep winter: 5 °C at the warmest of the day, 1 °C at night. Expect 12 days of rain in the month (80 mm). Low season: fewer people, lower prices.
December. Deep winter: 1 °C at the warmest of the day, -3 °C at night. Expect 13 days of rain in the month (67 mm). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Oslo?
May to August: over these months, recorded highs range from 17 to 22 °C, with 13 days of rain a month on average (2015-2024 records, Bjørvika and the Opera House).
Which month should you avoid in Oslo?
October: it is the wettest of the months to avoid, with 83 mm over 12 days of rain on average, according to 2015-2024 records at the reference point (Bjørvika and the Opera House).
What is the hottest month in Oslo?
July, with 22 °C on average in the afternoon and 14 °C at night. 2015-2024 records (Bjørvika and the Opera House).
What is the coldest month in Oslo?
January, with 0 °C at best during the day and -5 °C at night. 2015-2024 records (Bjørvika and the Opera House).
What is the driest month in Oslo?
April: 50 mm over 8 days of rain, against 111 mm in July, the wettest month.
Plan this trip
📒 The free printable Oslo guide: itinerary, map, where to sleep→
🧭 When to visit Norway: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Tugce Turan / Pexels · Jean-Paul Wettstein / Pexels · Ank Kumar / CC BY-SA 4.0 (Wikimedia Commons) · Meri Verbina / Pexels · Gu Bra / Pexels · Øyvind Holmstad / CC BY-SA 3.0 (Wikimedia Commons)