The best times to visit Gran for ideal weather are
June 4th to September 2nd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Gran Travel Guide
Other Gran Travel Info
Weather in Gran
Temperature
Average temperatures in Gran vary drastically. Considering humidity, temperatures feel cold for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 28th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Gran, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 74°F (23.3°C) with temperatures rarely dropping below 54.9°F (12.7°C) at night.
Gran Temperatures (Fahrenheit)
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Gran Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Gran Perceived Temperature (F)
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Gran Perceived Temperature (C)
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Average Gran Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 27.7 | 22.9 | 17.6 |
| Feb | 31.5 | 25.2 | 19.3 |
| Mar | 43.2 | 34.5 | 26.7 |
| Apr | 53.3 | 42.9 | 33.3 |
| May | 61.6 | 51.6 | 41.6 |
| Jun | 69.1 | 58.9 | 49.2 |
| Jul | 72.6 | 62.9 | 54.2 |
| Aug | 69.1 | 59.6 | 51.5 |
| Sep | 62 | 52.6 | 44.3 |
| Oct | 48.9 | 41.9 | 35.5 |
| Nov | 38.6 | 33.7 | 28.8 |
| Dec | 30.3 | 25.4 | 20 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | -2.4 | -5.1 | -8 |
| Feb | -0.3 | -3.8 | -7.1 |
| Mar | 6.2 | 1.4 | -2.9 |
| Apr | 11.8 | 6.1 | 0.7 |
| May | 16.4 | 10.9 | 5.3 |
| Jun | 20.6 | 14.9 | 9.6 |
| Jul | 22.6 | 17.2 | 12.3 |
| Aug | 20.6 | 15.3 | 10.8 |
| Sep | 16.7 | 11.4 | 6.8 |
| Oct | 9.4 | 5.5 | 1.9 |
| Nov | 3.7 | 0.9 | -1.8 |
| Dec | -0.9 | -3.7 | -6.7 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Gran are March, April, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid June with an average of 2 days of significant precipitation the week of June 18th.
When can you find snow in Gran? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Gran.
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Snow on the Ground
The graph below shows the average snow on the ground in Gran (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 16% | 0 | 1.4 |
| Feb | 14% | 0 | 1.1 |
| Mar | 10% | 0 | 0.9 |
| Apr | 12% | 0 | 1.2 |
| May | 23% | 0 | 2.4 |
| Jun | 24% | 0 | 3 |
| Jul | 25% | 0 | 3.2 |
| Aug | 27% | 0 | 3.9 |
| Sep | 19% | 0 | 2.3 |
| Oct | 16% | 0 | 1.7 |
| Nov | 20% | 0 | 1.8 |
| Dec | 14% | 0 | 1.2 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 16 | 0 | 3.6 |
| Feb | 14 | 0 | 2.8 |
| Mar | 10 | 0 | 2.3 |
| Apr | 12 | 0 | 3 |
| May | 23 | 0 | 6.1 |
| Jun | 24 | 0 | 7.6 |
| Jul | 25 | 0 | 8.1 |
| Aug | 27 | 0 | 9.9 |
| Sep | 19 | 0 | 5.8 |
| Oct | 16 | 0 | 4.3 |
| Nov | 20 | 0 | 4.6 |
| Dec | 14 | 0 | 3 |
Humidity and Wind
Gran has some very humid months, with other moderately humid months on the other side of the year. The least humid month is May (49.3% relative humidity), and the most humid month is December (78.3%).
Wind in Gran is usually calm. The windiest month is May, followed by April and March. May’s average wind speed of around 4.7 knots (5.4 MPH or 8.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid March where average top sustained speeds reach 9.3 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Gran.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 4 | Light breeze | 7.3 | Gentle breeze |
| Feb | 4 | Light breeze | 7 | Gentle breeze |
| Mar | 4.4 | Light breeze | 8.2 | Gentle breeze |
| Apr | 4.4 | Light breeze | 8.3 | Gentle breeze |
| May | 4.7 | Light breeze | 8.5 | Gentle breeze |
| Jun | 4.4 | Light breeze | 8.2 | Gentle breeze |
| Jul | 3.9 | Barely noticeable | 7.6 | Gentle breeze |
| Aug | 3.7 | Barely noticeable | 7 | Gentle breeze |
| Sep | 4 | Light breeze | 7.4 | Gentle breeze |
| Oct | 3.9 | Barely noticeable | 7.1 | Gentle breeze |
| Nov | 4.2 | Light breeze | 7.5 | Gentle breeze |
| Dec | 3.8 | Barely noticeable | 7 | Gentle breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 76.7% |
| Feb | 73.3% |
| Mar | 57.9% |
| Apr | 50.4% |
| May | 49.3% |
| Jun | 49.9% |
| Jul | 58.3% |
| Aug | 64.4% |
| Sep | 65.8% |
| Oct | 72.3% |
| Nov | 77.8% |
| Dec | 78.3% |
Is it Safe to Travel to Gran?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Norway; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 21, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Gran, Norway is May, followed by July and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Gran in February. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Gran Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.9°F (19.9°C) and 38.6°F (3.7°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 7 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is the second busiest season for tourism in Gran, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 65.5°F (18.6°C) and 34.8°F (1.6°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is far too cold this time of year in Gran to be enjoyable for warm weather travelers. The average high during this season is between 38.6°F (3.7°C) and 25.7°F (-3.5°C). On average, it rains or snows a fair amount: 4 to 5 times per month. These times of year are the slowest with tourists.
Best Times to Travel› Oslo City Centre, Norway › Gran, Norway