Waterville Weather in July
July in Waterville typically sees daytime highs of 18°C (64°F) and nighttime lows of 13°C (55°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Waterville in July
You can expect rain on around 16 days based on historical patterns, with 107 mm (4.2 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Waterville in July
In July, Waterville sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 13°C (55°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Waterville in July
With about 140 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Waterville in July
In July, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.
Average water temperature in July
With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Waterville.
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 July
Min Temperature
13°C (55°F)
Max Temperature
18°C (64°F)
Water Temperature
15°C (59°F) *
Chance of Rain
53%
Precipitation
107 mm (4.2 in)
Rainy days
16 days
Humidity
80% *
Windspeed
4 m/s (8 knots) *
Sunshine
140 hours *
Percentage Sunshine
29% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Waterville typically stay consistent throughout July, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Waterville in July
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 July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Waterville.
- On July 1, 1976, temperatures climbed to 29°C (84°F), marking the warmest July day on record.
- The lowest daytime temperature in July was 12°C (54°F), recorded on July 4, 1978.
- The lowest overnight temperature recorded in July was 6°C (43°F) (July 2, 1980).
Best Places in Ireland in July
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in July →
perfect weather
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tolerable
unpleasant
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What to Wear in Waterville in July
Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 15°C (59°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 July
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.
