If you plan to visit Harstad in May, the weather is typically alright, with an average high temperature of +46°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 19 rainy days in the month and around 88 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
May is usually the driest month of the year in Harstad
Average weather
☀️
+46°F
Avg. max. temperature
+27°F
Min.
+75°F
Max.
88 mm
Total precipitation
73%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
7 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Harstad has OK weather in May.
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Average temperature in Harstad in May
Here are the expected maximum, average and minimum temperatures in Harstad for May based on the historical data.
Last Year
Historical Data
Going from a maximum of +57°F during the day to a minimum of +28°F during the night, the temperature in May averages around +46°F.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +41°F to +43°F.
Is Harstad warm or cold in May?
Harstad is typically chill in May.
Maximum temperatures go up compared to the previous month from +39°F to +46°F. The minimum temperature also goes up from +32°F to +39°F.
Pack a jumper and a jacket as there will be cooler temperatures.
Take a look at how May is compared to other months in Harstad:
Climate in Harstad in May
Harstad weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+39°F
+46°F
+54°F
Min. temperature
+14°F
+27°F
+36°F
Max. temperature
+59°F
+75°F
+77°F
Rainfall
55 mm
88 mm
91 mm
Wind
2 m/s
2 m/s
2 m/s
Humidity
75%
73%
75%
Air pressure
1010 HPa
1013 HPa
1012 HPa
Sunny days
2
2
2
Cloudy days
7
7
8
Rainy days
9
19
21
Snowy days
11
3
0
May weather is still as ok as in April.It’s getting warmer as May arrives. The average maximum temperature goes up from +39°F to +46°F during the day.Prepare for more rain. Average rainfall goes from 55 mm to 88 mm.It feels drier, as humidity decreases from 75% to 73%.The average wind speed doesn’t change much during May, staying around 2 m/s.The amount of sunny days stay about the same, averaging 2 sunny days during the month.
Wind speed in Harstad in May based on historical data.
Last Year
Historical Data
The average wind speed is 6 m/s getting up to 14 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.
The average wind speed in Harstad is gradually increasing during May, going from 4 m/s to 7 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Harstad based on historical data.
Last Year
Historical Data
Typically, there is a 84% chance of rain on an average day in May, with total rainfall of approximately 128 mm. The maximum amount of rainfall per day is around 12 mm, which is considered light rain.May is a pretty wet month with over 26 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Harstad wettest month is September, where a typical day has a 70% chance of precipitation and 118 mm of rainfall per day. March, on the other hand, is the driest month with a mere 13% chance of precipitation and 51 mm of rainfall per day.
Snow
Amount of snow in mm during May in Harstad based on historical data.
Last Year
Historical Data
Typically, there is a 6% chance of snow on an average day in May, with a total monthly snowfall of approximately 11 mm.
Here’s how May is compared with other months in the amount of snow, total mm:
How was the weather last May in Harstad?
This is the weather in Harstad in May 2023:
1 May
🌧️
+40°F
2 May
🌨️
+37°F
3 May
🌨️
+34°F
4 May
☁️
+37°F
5 May
🌧️
+38°F
6 May
☁️
+44°F
7 May
☁️
+45°F
8 May
🌧️
+46°F
9 May
☁️
+51°F
10 May
☁️
+48°F
11 May
🌧️
+47°F
12 May
☁️
+46°F
13 May
☁️
+47°F
14 May
🌧️
+52°F
15 May
☀️
+58°F
16 May
☁️
+50°F
17 May
🌧️
+44°F
18 May
☁️
+44°F
19 May
🌧️
+48°F
20 May
🌧️
+49°F
21 May
🌧️
+51°F
22 May
☀️
+57°F
23 May
☁️
+50°F
24 May
🌧️
+47°F
25 May
🌧️
+42°F
26 May
🌧️
+39°F
27 May
🌧️
+45°F
28 May
🌧️
+48°F
29 May
🌧️
+44°F
30 May
🌧️
+45°F
31 May
🌧️
+44°F
In May 2023 Harstad had 2 sunny days, 10 cloudy days, and 17 rainy days. The average maximum temperature was +46°F, with an absolute maximum of +57°F and a minimum of +34°F. The average humidity was 77%, with a maximum of 100% and a minimum of 37%. The average wind speed was 6 m/s, with a maximum of 18 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Harstad climate has changed over the last 43 years.
The climate in Harstad in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1981 (+39°F) and the highest in 2011 (+45°F). The driest year was 1980 with only 570 mm of rainfall, and the wettest year was 2005 with 1322 mm.
FAQ
Frequently asked questions about the weather in Harstad in May:
Is May a good time to visit Harstad?
It’s always a good time to visit Harstad, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Harstad in May?
Not really, May is not the best time to sunbathe, unless you visit a local solarium.
Is Harstad rainy in May?
Harstad is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Harstad in May?
Usually, it’s not very sunny in Harstad in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Harstad, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
