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Edinburgh in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Edinburgh in May will be like? Take a look at our weather guide for Edinburgh, based on historical data.
Check flight prices to Edinburgh on Avionero:
May

Weather in Edinburgh in May 2025

OK Weather
Mild
🌧️
Rainy
🌊
Cold water
If you plan to visit Edinburgh in May, the weather is typically alright, with an average high temperature of +14°C during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 19 rainy days in the month and around 80 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • May is usually the driest month of the year in Edinburgh

Average weather

☀️
+14°C
Avg. max. temperature
-1°C
Min.
+27°C
Max.
80 mm
Total precipitation
75%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
9 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Edinburgh has OK weather in May.

Average temperature in Edinburgh in May

Here are the expected maximum, average and minimum temperatures in Edinburgh for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +20°C during the day to a minimum of +5°C during the night, the temperature in May averages around +15°C.

The average maximum temperature goes up 7% by the end of the month, compared with the beginning of the month, from +14°C to +15°C.

Is Edinburgh warm or cold in May?

Edinburgh is typically mild in May.

Maximum temperatures go up compared to the previous month from +11°C to +14°C. The minimum temperature also goes up from +4°C to +7°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Edinburgh:

Water temperature in Edinburgh in May

Water in Edinburgh in May is Cold. It varies from +9°C to +11°C, with an average of +10°C. This is almost similar to the air temperature, which averages +14°C.

In May, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Edinburgh are reached in August, when the average sea temperature rises to +15°C. The coldest water temperatures are in March, with an average of +7°C.

Can you swim in Edinburgh in May?

We would not recommend swimming in Edinburgh in May, the water is very cold (+10°C on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Edinburgh in May

Edinburgh weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+11°C+14°C+16°C
Min. temperature
-4°C-1°C+3°C
Max. temperature
+23°C+27°C+28°C
Rainfall
65 mm80 mm83 mm
Wind
4 m/s3 m/s3 m/s
Avg. water temperature
+8°C+10°C+12°C
Humidity
76%75%76%
Air pressure
1013 HPa1014 HPa1014 HPa
Sunny days
222
Cloudy days
998
Rainy days
191919
Snowy days
100

May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +11°C to +14°C during the day. Prepare for more rain. Average rainfall goes from 65 mm to 80 mm. It feels drier, as humidity decreases from 76% to 75%. Winds are calmer in comparison to April, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

June brings much the same weather, it remains ok.

Wind

Wind speed in Edinburgh in May based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Edinburgh is gradually decreasing during May, going from 4 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Edinburgh based on historical data.
Last Year
Historical Data
Typically, there is a 35% chance of rain on an average day in May, with total rainfall of approximately 37 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. May is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Edinburgh wettest month is October, where a typical day has a 65% chance of precipitation and 92 mm of rainfall per day. April, on the other hand, is the driest month with a mere 63% chance of precipitation and 65 mm of rainfall per day.

How was the weather last May in Edinburgh?

This is the weather in Edinburgh in May 2023:
1 May
🌧️
+14°C
2 May
☁️
+11°C
3 May
☀️
+12°C
4 May
☁️
+10°C
5 May
🌧️
+13°C
6 May
🌫️
+11°C
7 May
🌫️
+14°C
8 May
🌧️
+15°C
9 May
🌧️
+17°C
10 May
🌧️
+15°C
11 May
☀️
+15°C
12 May
☁️
+11°C
13 May
☀️
+15°C
14 May
☀️
+15°C
15 May
☀️
+15°C
16 May
☁️
+16°C
17 May
☀️
+17°C
18 May
☀️
+17°C
19 May
☀️
+18°C
20 May
☀️
+17°C
21 May
🌧️
+15°C
22 May
🌫️
+15°C
23 May
☀️
+15°C
24 May
☀️
+18°C
25 May
☀️
+19°C
26 May
☀️
+18°C
27 May
☀️
+18°C
28 May
☀️
+14°C
29 May
☀️
+20°C
30 May
☀️
+19°C
31 May
☀️
+15°C
In May 2023 Edinburgh had 18 sunny days, 4 cloudy days, and 6 rainy days. The average maximum temperature was +15°C, with an absolute maximum of +20°C and a minimum of +10°C. The average humidity was 79%, with a maximum of 100% and a minimum of 51%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Edinburgh climate have been changing during last 43 years period.

The climate in Edinburgh in May has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+10°C) and the highest in 2014 (+13°C). The driest year was 2003 with only 701 mm of rainfall, and the wettest year was 2014 with 1741 mm.

FAQ

Frequently asked questions about the weather in Edinburgh in May:

Is May a good time to visit Edinburgh?

It’s always a good time to visit Edinburgh, 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 Edinburgh in May?

May has mild temperatures in Edinburgh. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Edinburgh in May?

Swimming in Edinburgh in May is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Edinburgh rainy in May?

Edinburgh 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 Edinburgh in May?

Usually, it’s not very sunny in Edinburgh in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in United Kingdom

Check out the weather for other cities in United Kingdom.

Monthly weather in Edinburgh

Source of the data

For this page, we’ve looked at the typical weather in Edinburgh, 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.