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Shannon in April: Weather, Average temperature and Climate

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

Weather in Shannon in April 2025

OK Weather
Mild
🌧️
Rainy
If you plan to visit Shannon in April, the weather is typically alright, with an average high temperature of +54°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 68 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+54°F
Avg. max. temperature
+25°F
Min.
+72°F
Max.
68 mm
Total precipitation
80%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
9 ⛅️
Cloudy
19 🌦
Rainy
Our opinion: Shannon has OK weather in April.

Average temperature in Shannon in April

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

Going from a maximum of +64°F during the day to a minimum of +34°F during the night, the temperature in April averages around +55°F.

The average maximum temperature goes up 24% by the end of the month, compared with the beginning of the month, from +54°F to +61°F.

Is Shannon warm or cold in April?

Shannon is typically mild in April.

Maximum temperatures go up compared to the previous month from +50°F to +54°F. The minimum temperature also goes up from +39°F to +41°F.

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 Shannon:

Climate in Shannon in April

Shannon weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+50°F+54°F+59°F
Min. temperature
+21°F+25°F+30°F
Max. temperature
+66°F+72°F+79°F
Rainfall
82 mm68 mm78 mm
Wind
4 m/s3 m/s4 m/s
Humidity
83%80%79%
Air pressure
1013 HPa1014 HPa1014 HPa
Sunny days
122
Cloudy days
1099
Rainy days
191920
Snowy days
100

April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from +50°F to +54°F during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 82 mm to 68 mm. It feels drier, as humidity decreases from 83% to 80%. Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in April, from 1 to 2.

May brings much the same weather, it remains ok.

Wind

Wind speed in Shannon in April based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Shannon is gradually increasing during April, going from 4 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Shannon based on historical data.
Last Year
Historical Data
Typically, there is a 53% chance of rain on an average day in April, with total rainfall of approximately 68 mm. The maximum amount of rainfall per day is around 14 mm, which is considered light rain. April is a pretty wet month with over 16 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Shannon wettest month is December, where a typical day has a 61% chance of precipitation and 102 mm of rainfall per day. April, on the other hand, is the driest month with a mere 63% chance of precipitation and 68 mm of rainfall per day.

How was the weather last April in Shannon?

This is the weather in Shannon in April 2023:
1 April
☁️
+53°F
2 April
☁️
+55°F
3 April
☁️
+53°F
4 April
🌧️
+55°F
5 April
☁️
+55°F
6 April
☁️
+53°F
7 April
☁️
+56°F
8 April
☁️
+56°F
9 April
🌧️
+57°F
10 April
🌧️
+50°F
11 April
🌧️
+50°F
12 April
🌧️
+49°F
13 April
☁️
+51°F
14 April
☀️
+53°F
15 April
☁️
+51°F
16 April
☁️
+64°F
17 April
☁️
+58°F
18 April
☁️
+60°F
19 April
☁️
+55°F
20 April
☀️
+58°F
21 April
☁️
+56°F
22 April
🌧️
+48°F
23 April
🌧️
+55°F
24 April
☁️
+51°F
25 April
☁️
+52°F
26 April
☁️
+54°F
27 April
🌧️
+56°F
28 April
☁️
+61°F
29 April
☁️
+62°F
30 April
☁️
+60°F
In April 2023 Shannon had 2 sunny days, 20 cloudy days, and 8 rainy days. The average maximum temperature was +55°F, with an absolute maximum of +64°F and a minimum of +48°F. The average humidity was 82%, with a maximum of 100% and a minimum of 45%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change Over the Years

This is how Shannon climate has changed over the last 43 years.

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

The average temperature was the lowest in 1979 (+53°F) and the highest in 2023 (+57°F). The driest year was 2001 with only 746 mm of rainfall, and the wettest year was 2009 with 1263 mm.

FAQ

Frequently asked questions about the weather in Shannon in April:

Is April a good time to visit Shannon?

It’s always a good time to visit Shannon, 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 Shannon in April?

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

Is Shannon rainy in April?

Shannon 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 Shannon in April?

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

Other cities in Ireland

Check out the weather for other cities in Ireland.

Monthly weather in Shannon

Source of the data

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