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Waterville May Weather

Averages and records for weather in Waterville, Maine in the month of May.

Typical Waterville May Weather 1991–2020
Average daily high	66.0 °F
Average daily low	43.0 °F
Average monthly precipitation	3.2 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	41.0%
Daily chance of snow	0.12%

Waterville May Weather Records 1895–2024
Highest temperature	98 °F	May 22, 1977
Lowest temperature	21 °F	May 9, 1985
Highest daily low	69 °F	May 10, 1979
Lowest daily high	38 °F	May 9, 1966
Hottest average high temperature	76.6 °F	1911
Coldest average high temperature	57.9 °F	2005
Most daily precipitation	2.9 inches	May 1, 2023
Most monthly precipitation	9.9 inches	1984
Most daily snow	8.0 inches	May 11, 1945
Most monthly snow	8.0 inches	1945

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	60.7	37.4	83	23
May 2	61.0	37.7	87	23
May 3	61.3	38.1	87	24
May 4	61.7	38.5	91	24
May 5	61.9	38.9	91	22
May 6	62.1	39.2	87	23
May 7	62.5	39.6	87	21
May 8	62.9	39.9	84	24
May 9	63.4	40.3	92	21
May 10	63.7	40.6	92	27
May 11	64.1	41.0	89	27
May 12	64.5	41.4	88	22
May 13	64.9	41.8	84	22
May 14	65.3	42.2	88	25
May 15	65.7	42.6	91	26
May 16	66.1	43.0	92	27
May 17	66.4	43.4	91	27
May 18	66.8	43.7	92	28
May 19	67.1	44.1	93	28
May 20	67.3	44.3	88	29
May 21	67.5	44.6	91	29
May 22	67.6	44.8	98	27
May 23	67.8	45.1	96	30
May 24	68.0	45.4	96	24
May 25	68.4	45.7	93	27
May 26	68.7	46.0	92	27
May 27	69.1	46.3	91	30
May 28	69.4	46.7	91	33
May 29	69.8	47.1	92	32
May 30	70.1	47.5	93	24
May 31	70.5	47.9	93	26

Weather Station Details

Years	Station	Coordinates
1958–2024	Waterville Treatment Plant	location
1895–1958	Waterville WWTP	location