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Cologne in April: Weather, Average temperature and Climate

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

Weather in Cologne in April 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Cologne in April, the weather is typically alright, with an average high temperature of +14°C during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 16 rainy days in the month and around 51 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:
  • April is usually the driest month of the year in Cologne

Average weather

☀️
+14°C
Avg. max. temperature
-6°C
Min.
+28°C
Max.
51 mm
Total precipitation
68%
Avg. humidity
2 m/s
Avg. wind
6 ☀️
Sunny Days
7 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Cologne has OK weather in April.

Average temperature in Cologne in April

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

Going from a maximum of +22°C during the day to a minimum of 0°C during the night, the temperature in April averages around +15°C.

The average maximum temperature goes up 36% by the end of the month, compared with the beginning of the month, from +12°C to +20°C.

Is Cologne warm or cold in April?

Cologne is typically mild in April.

Maximum temperatures go up compared to the previous month from +10°C to +14°C. The minimum temperature also goes up from +3°C to +5°C.

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

Take a look at how April is compared to other months in Cologne:

Climate in Cologne in April

Cologne weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+10°C+14°C+19°C
Min. temperature
-11°C-6°C0°C
Max. temperature
+26°C+28°C+34°C
Rainfall
59 mm51 mm67 mm
Wind
3 m/s2 m/s2 m/s
Humidity
73%68%69%
Air pressure
1015 HPa1014 HPa1015 HPa
Sunny days
567
Cloudy days
776
Rainy days
151615
Snowy days
310

April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +10°C to +14°C during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 51 mm. It feels drier, as humidity decreases from 73% to 68%. Winds are calmer in comparison to March, going down from 3 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in April, from 5 to 6.

But maybe it is worth considering traveling in May as the weather gets better.

Wind

Wind speed in Cologne in April 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 Cologne is gradually decreasing during April, going from 6 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Cologne based on historical data.
Last Year
Historical Data
Typically, there is a 60% chance of rain on an average day in April, with total rainfall of approximately 82 mm. The maximum amount of rainfall per day is around 17 mm, which is considered light rain. April is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Cologne wettest month is July, where a typical day has a 52% chance of precipitation and 75 mm of rainfall per day. February, on the other hand, is the driest month with a mere 34% chance of precipitation and 44 mm of rainfall per day.

How was the weather last April in Cologne?

This is the weather in Cologne in April 2023:
1 April
🌧️
+12°C
2 April
🌧️
+10°C
3 April
☀️
+11°C
4 April
☀️
+11°C
5 April
☀️
+12°C
6 April
☀️
+14°C
7 April
🌧️
+11°C
8 April
☁️
+13°C
9 April
☀️
+15°C
10 April
☀️
+19°C
11 April
☀️
+14°C
12 April
🌧️
+14°C
13 April
🌧️
+14°C
14 April
☀️
+17°C
15 April
☀️
+14°C
16 April
🌫️
+14°C
17 April
☀️
+17°C
18 April
☀️
+16°C
19 April
☀️
+17°C
20 April
🌧️
+13°C
21 April
🌫️
+18°C
22 April
☀️
+22°C
23 April
☀️
+19°C
24 April
🌧️
+13°C
25 April
☀️
+12°C
26 April
☀️
+12°C
27 April
☀️
+17°C
28 April
🌧️
+19°C
29 April
☁️
+14°C
30 April
☀️
+20°C
In April 2023 Cologne had 18 sunny days, 2 cloudy days, and 8 rainy days. The average maximum temperature was +15°C, with an absolute maximum of +22°C and a minimum of +10°C. The average humidity was 75%, with a maximum of 100% and a minimum of 33%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change over Years

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

The climate in Cologne in April has not changed much over the last 43 years.

The average temperature was the lowest in 1985 (+12°C) and the highest in 2022 (+17°C). The driest year was 2018 with only 570 mm of rainfall, and the wettest year was 2023 with 1162 mm.

FAQ

Frequently asked questions about the weather in Cologne in April:

Is April a good time to visit Cologne?

It’s always a good time to visit Cologne, but the weather is changeable in April, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Cologne in April?

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

Is Cologne rainy in April?

Cologne is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Cologne in April?

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

Other cities in Germany

Check out the weather for other cities in Germany.

Monthly weather in Cologne

Source of the data

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