Best Time to Visit Waterbury
Best time: Jun, Jul, Aug, Sep.
Jul is warmest (28.6°C high); May is rainiest (112 mm).
Waterbury weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 1.6 | -8.3 | 93 | 2.8 |
| Feb | 3.3 | -7.3 | 86 | 4.1 |
| Mar | 8.4 | -2.5 | 102 | 5.7 |
| Apr | 15 | 2.7 | 109 | 7.4 |
| May | 21.4 | 8.4 | 112 | 8.6 |
| Jun | 25.9 | 13.4 | 102 | 9.3 |
| Jul | 28.6 | 16.4 | 102 | 9.3 |
| Aug | 27.4 | 15.7 | 100 | 8.2 |
| Sep | 23.2 | 11.2 | 103 | 6.5 |
| Oct | 17.1 | 4.9 | 99 | 4.7 |
| Nov | 10.8 | 0.4 | 110 | 3 |
| Dec | 4.5 | -5 | 105 | 2.4 |
Average high temperature
Best months by activity
Overall: JunJulAugSep
Beaches: Jul
Hiking: JunMay
Sightseeing: JunJulAugMay
Waterbury quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (Jan, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Waterbury?
Jun, Jul, Aug, Sep.
What is the rainiest month?
May, about 112 mm.
What is the warmest month?
Jul, with average highs of 28.6°C.
Where to stay
See Waterbury hotels · Book Waterbury tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.