Waterville Weather in April
In Waterville, April brings moderate daytime temperatures around 13°C (55°F), with nights cooling to 7°C (45°F). Expect quite a bit of rainfall this month.
Rainfall in Waterville in April
Historically, April sees about 17 days of rain, with a monthly average of 102 mm (4 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Waterville in April
April in Waterville brings typical temperatures with highs around 13°C (55°F) and lows of 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Waterville in April
The city usually sees around 157 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Waterville in April
Average wind conditions reach 5 m/s (10 knots) in April. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in April
With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.April in Waterville has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Waterville's climate page.
Waterville Temperature in April
Min Temperature
7°C (45°F)
Max Temperature
13°C (55°F)
Water Temperature
10°C (50°F) *
Chance of Rain
56%
Precipitation
102 mm (4 in)
Rainy days
17 days
Humidity
72% *
Windspeed
5 m/s (10 knots) *
Sunshine
157 hours *
Percentage Sunshine
38% *
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Waterville typically stay consistent throughout April, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).
Average temperatures in April
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Waterville in April
Browse day-by-day weather records for Waterville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Waterville historical weather extremes in April
Based on 32 years of weather observations (1994-2026), these are the most extreme conditions recorded in Waterville.
- On April 30, 2025, temperatures climbed to 24°C (75°F), marking the warmest April day on record.
- On April 1, 2018, Waterville saw its coldest April day with temperatures maxing out at 7°C (45°F).
- Waterville registered its coldest April night on April 2, 1996, with temperatures dropping to -1°C (30°F).
- The wettest day in April Waterville was on April 1, 2016 with 40 mm (1.6 in) of precipitation.
Best Places in Ireland in April
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Waterville in April
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Waterville in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Waterville's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Waterville climate overview or explore weather in Ireland.
