Ephrata Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Ephrata, Washington, based on NOAA data.

Also see:

What's the hottest day of the year in Ephrata?

On average, August 1 is the hottest day of the year Ephrata, Washington. From 1991–2020, the average high temperature on August 1 was 90.8 °F and the average low was 62.3 °F.

What's the coldest day of the year in Ephrata?

On average, January 4 is the coldest day of the year Ephrata, Washington. From 1991–2020, the average high temperature on January 4 was 35.0 °F, and the average low was 23.1 °F.

Average Temperature by Day

Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.

Day	Average (°F)
Day	High	Low
January 1	35.1	23.2
January 2	35.0	23.2
January 3	35.1	23.2
January 4	35.0	23.1
January 5	35.0	23.2
January 6	35.0	23.3
January 7	35.1	23.3
January 8	35.1	23.4
January 9	35.2	23.4
January 10	35.3	23.4
January 11	35.4	23.5
January 12	35.5	23.5
January 13	35.6	23.6
January 14	35.7	23.6
January 15	35.8	23.8
January 16	36.0	23.9
January 17	36.2	24.1
January 18	36.4	24.2
January 19	36.5	24.3
January 20	36.7	24.5
January 21	36.9	24.6
January 22	37.1	24.7
January 23	37.2	24.8
January 24	37.4	24.9
January 25	37.6	24.9
January 26	37.8	25.1
January 27	38.0	25.2
January 28	38.4	25.4
January 29	38.6	25.5
January 30	39.0	25.7
January 31	39.3	25.9
February 1	39.6	26.1
February 2	39.9	26.2
February 3	40.3	26.3
February 4	40.5	26.3
February 5	40.8	26.4
February 6	41.1	26.5
February 7	41.5	26.6
February 8	41.8	26.7
February 9	42.1	26.7
February 10	42.3	26.7
February 11	42.6	26.8
February 12	42.8	26.8
February 13	43.1	26.8
February 14	43.3	26.9
February 15	43.6	27.0
February 16	43.9	27.1
February 17	44.2	27.3
February 18	44.5	27.4
February 19	44.9	27.5
February 20	45.2	27.7
February 21	45.6	27.8
February 22	45.8	27.9
February 23	46.2	28.0
February 24	46.6	28.1
February 25	47.0	28.4
February 26	47.4	28.5
February 27	47.8	28.7
February 28	48.2	28.9
March 1	48.6	29.1
March 2	48.9	29.3
March 3	49.2	29.4
March 4	49.6	29.6
March 5	50.0	29.8
March 6	50.3	30.0
March 7	50.7	30.2
March 8	51.0	30.3
March 9	51.4	30.5
March 10	51.7	30.8
March 11	52.2	31.1
March 12	52.6	31.3
March 13	53.0	31.6
March 14	53.4	31.8
March 15	53.9	32.1
March 16	54.4	32.3
March 17	54.8	32.5
March 18	55.2	32.8
March 19	55.5	33.0
March 20	55.8	33.2
March 21	56.1	33.4
March 22	56.4	33.6
March 23	56.7	33.7
March 24	57.0	33.9
March 25	57.3	34.2
March 26	57.6	34.4
March 27	57.8	34.6
March 28	58.1	34.7
March 29	58.3	34.8
March 30	58.5	35.0
March 31	58.7	35.1
April 1	58.9	35.3
April 2	59.1	35.5
April 3	59.4	35.6
April 4	59.7	35.9
April 5	60.0	36.1
April 6	60.4	36.4
April 7	60.8	36.7
April 8	61.1	37.0
April 9	61.5	37.2
April 10	61.8	37.5
April 11	62.1	37.7
April 12	62.5	37.9
April 13	62.8	38.2
April 14	63.0	38.4
April 15	63.2	38.6
April 16	63.5	38.8
April 17	63.8	39.1
April 18	64.1	39.3
April 19	64.5	39.5
April 20	64.9	39.8
April 21	65.2	40.1
April 22	65.6	40.4
April 23	65.9	40.6
April 24	66.2	40.9
April 25	66.5	41.2
April 26	66.9	41.5
April 27	67.4	41.8
April 28	67.8	42.1
April 29	68.3	42.5
April 30	68.8	42.8
May 1	69.2	43.1
May 2	69.5	43.5
May 3	69.8	43.8
May 4	70.1	44.2
May 5	70.4	44.5
May 6	70.5	44.7
May 7	70.7	45.0
May 8	71.0	45.3
May 9	71.3	45.6
May 10	71.7	45.9
May 11	72.0	46.3
May 12	72.3	46.6
May 13	72.6	46.9
May 14	72.9	47.2
May 15	73.3	47.5
May 16	73.6	47.8
May 17	74.0	48.2
May 18	74.3	48.6
May 19	74.6	49.0
May 20	75.0	49.3
May 21	75.2	49.6
May 22	75.4	49.9
May 23	75.6	50.1
May 24	75.9	50.4
May 25	76.0	50.6
May 26	76.1	50.7
May 27	76.2	50.9
May 28	76.4	51.1
May 29	76.5	51.3
May 30	76.7	51.5
May 31	76.8	51.6
June 1	76.9	51.7
June 2	77.1	51.9
June 3	77.3	52.0
June 4	77.5	52.2
June 5	77.8	52.4
June 6	78.0	52.7
June 7	78.3	53.0
June 8	78.5	53.1
June 9	78.7	53.3
June 10	78.9	53.5
June 11	79.2	53.7
June 12	79.5	53.9
June 13	79.7	54.2
June 14	80.0	54.4
June 15	80.3	54.7
June 16	80.5	54.9
June 17	80.8	55.1
June 18	81.0	55.3
June 19	81.2	55.5
June 20	81.5	55.6
June 21	81.9	55.9
June 22	82.2	56.2
June 23	82.6	56.4
June 24	83.0	56.7
June 25	83.4	57.0
June 26	83.8	57.4
June 27	84.2	57.7
June 28	84.5	57.9
June 29	84.9	58.2
June 30	85.3	58.5
July 1	85.7	58.7
July 2	86.0	59.0
July 3	86.3	59.2
July 4	86.7	59.5
July 5	86.9	59.8
July 6	87.2	59.9
July 7	87.5	60.2
July 8	87.8	60.4
July 9	88.1	60.6
July 10	88.3	60.9
July 11	88.5	61.0
July 12	88.8	61.2
July 13	89.0	61.3
July 14	89.3	61.4
July 15	89.5	61.5
July 16	89.7	61.6
July 17	89.8	61.7
July 18	90.0	61.8
July 19	90.2	61.9
July 20	90.3	62.1
July 21	90.4	62.1
July 22	90.6	62.3
July 23	90.7	62.4
July 24	90.6	62.4
July 25	90.7	62.4
July 26	90.7	62.3
July 27	90.7	62.3
July 28	90.7	62.3
July 29	90.7	62.3
July 30	90.8	62.3
July 31	90.8	62.3
August 1	90.8	62.3
August 2	90.8	62.2
August 3	90.8	62.1
August 4	90.8	62.0
August 5	90.7	62.0
August 6	90.6	61.9
August 7	90.5	61.7
August 8	90.3	61.5
August 9	90.1	61.3
August 10	89.7	61.1
August 11	89.4	60.8
August 12	89.1	60.6
August 13	88.9	60.3
August 14	88.8	60.2
August 15	88.6	60.0
August 16	88.3	59.8
August 17	88.1	59.6
August 18	87.8	59.3
August 19	87.5	59.0
August 20	87.2	58.7
August 21	87.0	58.4
August 22	86.8	58.2
August 23	86.5	58.0
August 24	86.2	57.7
August 25	85.9	57.4
August 26	85.5	57.1
August 27	85.3	56.8
August 28	85.0	56.5
August 29	84.7	56.2
August 30	84.4	55.9
August 31	84.0	55.6
September 1	83.7	55.3
September 2	83.3	55.0
September 3	82.9	54.7
September 4	82.5	54.3
September 5	82.1	54.0
September 6	81.8	53.8
September 7	81.5	53.4
September 8	81.2	53.1
September 9	80.8	52.8
September 10	80.5	52.5
September 11	80.2	52.2
September 12	79.8	51.9
September 13	79.5	51.6
September 14	79.2	51.3
September 15	79.0	51.0
September 16	78.7	50.8
September 17	78.3	50.6
September 18	77.9	50.2
September 19	77.4	49.9
September 20	76.9	49.5
September 21	76.5	49.1
September 22	76.2	48.7
September 23	75.7	48.5
September 24	75.3	48.1
September 25	74.8	47.8
September 26	74.2	47.4
September 27	73.5	47.0
September 28	73.0	46.5
September 29	72.5	46.2
September 30	72.0	45.9
October 1	71.4	45.5
October 2	70.9	45.1
October 3	70.5	44.7
October 4	70.0	44.4
October 5	69.6	44.1
October 6	69.1	43.8
October 7	68.7	43.5
October 8	68.2	43.2
October 9	67.6	42.8
October 10	67.0	42.4
October 11	66.3	41.9
October 12	65.6	41.5
October 13	64.9	41.1
October 14	64.1	40.6
October 15	63.4	40.0
October 16	62.7	39.5
October 17	62.1	39.1
October 18	61.6	38.7
October 19	61.0	38.3
October 20	60.4	38.0
October 21	59.8	37.6
October 22	59.1	37.1
October 23	58.5	36.8
October 24	57.9	36.5
October 25	57.5	36.2
October 26	56.9	36.0
October 27	56.4	35.7
October 28	55.8	35.2
October 29	55.2	34.9
October 30	54.8	34.6
October 31	54.2	34.3
November 1	53.7	34.0
November 2	53.1	33.8
November 3	52.6	33.5
November 4	52.1	33.2
November 5	51.6	32.9
November 6	51.0	32.6
November 7	50.5	32.2
November 8	49.8	31.9
November 9	49.2	31.7
November 10	48.7	31.3
November 11	48.3	31.1
November 12	47.8	30.8
November 13	47.3	30.5
November 14	46.8	30.2
November 15	46.3	30.0
November 16	45.8	29.8
November 17	45.4	29.6
November 18	45.0	29.3
November 19	44.5	29.1
November 20	44.1	28.8
November 21	43.6	28.5
November 22	43.2	28.1
November 23	42.6	27.8
November 24	42.2	27.5
November 25	41.6	27.2
November 26	41.2	26.9
November 27	40.8	26.8
November 28	40.4	26.6
November 29	40.0	26.3
November 30	39.6	26.1
December 1	39.2	25.7
December 2	38.8	25.5
December 3	38.4	25.3
December 4	38.1	25.0
December 5	37.7	24.9
December 6	37.4	24.8
December 7	37.3	24.7
December 8	37.2	24.6
December 9	37.0	24.5
December 10	36.8	24.4
December 11	36.6	24.3
December 12	36.4	24.2
December 13	36.2	24.2
December 14	36.1	24.1
December 15	35.9	24.1
December 16	35.8	23.9
December 17	35.6	23.8
December 18	35.4	23.8
December 19	35.3	23.6
December 20	35.2	23.5
December 21	35.2	23.5
December 22	35.1	23.4
December 23	35.1	23.4
December 24	35.1	23.4
December 25	35.2	23.5
December 26	35.2	23.5
December 27	35.2	23.5
December 28	35.2	23.4
December 29	35.2	23.3
December 30	35.1	23.3
December 31	35.1	23.3

Weather Station Details

Years	Station	Coordinates
1949–2024	Ephrata Municipal Airport	location
1903–1948	Ephrata	location