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Newcastle May Weather

Averages and records for weather in Newcastle, Wyoming in the month of May.

Typical Newcastle May Weather 1991–2020
Average daily high	67.4 °F
Average daily low	42.5 °F
Average monthly precipitation	2.9 inches
Average monthly snow	0.6 inches
Daily chance of precipitation	35.0%
Daily chance of snow	0.67%

Newcastle May Weather Records 1906–2024
Highest temperature	98 °F	May 28, 1934
Lowest temperature	11 °F	May 2, 1954
Highest daily low	69 °F	May 28, 2014
Lowest daily high	35 °F	May 2, 1954
Hottest average high temperature	81.9 °F	1934
Coldest average high temperature	56.7 °F	2015
Most daily precipitation	2.8 inches	May 10, 2011
Most monthly precipitation	6.0 inches	1991
Most daily snow	6.0 inches	May 9, 1965
Most monthly snow	6.0 inches	1965

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	62.0	37.0	84	15
May 2	62.5	37.4	83	11
May 3	62.9	37.8	89	15
May 4	63.3	38.2	94	20
May 5	63.8	38.6	92	25
May 6	64.1	39.0	92	23
May 7	64.4	39.4	90	26
May 8	64.7	39.7	90	20
May 9	64.8	40.0	86	22
May 10	65.1	40.3	89	21
May 11	65.5	40.6	86	19
May 12	65.8	41.0	87	17
May 13	66.2	41.4	90	25
May 14	66.6	41.8	95	25
May 15	67.1	42.2	90	31
May 16	67.6	42.6	91	29
May 17	68.1	43.0	92	24
May 18	68.5	43.4	93	27
May 19	68.8	43.7	94	26
May 20	69.2	44.1	95	22
May 21	69.3	44.4	89	24
May 22	69.6	44.7	89	28
May 23	70.0	45.2	92	30
May 24	70.5	45.6	89	27
May 25	70.9	45.9	97	28
May 26	71.3	46.3	93	26
May 27	71.8	46.7	92	25
May 28	72.2	47.0	98	26
May 29	72.5	47.3	95	28
May 30	72.7	47.6	96	30
May 31	73.0	47.8	92	32

Weather Station Details

Years	Station	Coordinates
1906–2024	Newcastle	location