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Monthly climate in San Ysidro, New Mexico, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Ysidro features a cold desert climate (BWk).Temperatures typically range between 7 °C (45 °F) and 29 °C (84 °F) through the year, but rarely can drop to -9 °C (17 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 207 mm (8.1 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually.San Ysidro enjoys an average of 3644 hours of sunshine throughout the year, and daylight varies from 10 hours 3 minutes to 14 hours 13 minutes per day.

Monthly average temperatures in San Ysidro, New Mexico, United States §

The warmest months in San Ysidro are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (45 - 50 °F) throughout the day. On average each year, San Ysidro experiences 175 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Ysidro, New Mexico, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 22°C
(72°F)		 27°C
(81°F)		 31°C
(88°F)		 33°C
(92°F)		 37°C
(99°F)		 42°C
(108°F)		 41°C
(107°F)		 40°C
(104°F)		 37°C
(99°F)		 34°C
(93°F)		 28°C
(83°F)		 23°C
(73°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 29°C
(85°F)		 32°C
(90°F)		 36°C
(96°F)		 39°C
(102°F)		 40°C
(104°F)		 38°C
(100°F)		 36°C
(97°F)		 32°C
(90°F)		 26°C
(80°F)		 21°C
(70°F)
Average high 14°C
(58°F)		 17°C
(63°F)		 21°C
(71°F)		 26°C
(80°F)		 31°C
(88°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 31°C
(88°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(58°F)
Daily mean 7°C
(45°F)		 10°C
(50°F)		 14°C
(58°F)		 20°C
(67°F)		 24°C
(75°F)		 28°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 25°C
(77°F)		 19°C
(66°F)		 13°C
(56°F)		 8°C
(47°F)
Average low 1°C
(35°F)		 3°C
(38°F)		 7°C
(46°F)		 12°C
(54°F)		 16°C
(60°F)		 21°C
(69°F)		 22°C
(72°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(54°F)		 6°C
(44°F)		 2°C
(36°F)
Mean minimum -5°C
(24°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(42°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(66°F)		 19°C
(66°F)		 13°C
(56°F)		 4°C
(39°F)		 -1°C
(31°F)		 -4°C
(25°F)
Minimum -6°C
(22°F)		 -9°C
(17°F)		 -1°C
(30°F)		 3°C
(38°F)		 4°C
(39°F)		 12°C
(53°F)		 18°C
(64°F)		 18°C
(64°F)		 9°C
(49°F)		 -2°C
(29°F)		 -4°C
(26°F)		 -6°C
(22°F)

Compare climate in San Ysidro with other places

Compare temperature, precipitation, sunshine, UV index in San Ysidro, New Mexico, United States with other places around the world.

Monthly average precipitation in San Ysidro, New Mexico, United States §

San Ysidro usually has the most precipitation in July, August and September, with an average of 6 rainy days and 29 mm (1.2 inches) of precipitation per month.The driest months in San Ysidro are April, May and December. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Ysidro, New Mexico, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 13 (0.5) 14 (0.6) 16 (0.6) 3 (0.1) 4 (0.2) 22 (0.9) 31 (1.2) 33 (1.3) 24 (0.9) 21 (0.8) 13 (0.5) 12 (0.5)
Average precipitation days (≥ 1 mm) 2 3 2 0 0 2 7 7 4 3 2 2

Monthly sunshine hours in San Ysidro, New Mexico, United States §

The sunniest months in San Ysidro are May, June and July, when the sun shines an average of 11 hours 57 minutes a day.Least sunny months in San Ysidro: January, February and December receive an average of 7 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Ysidro, New Mexico, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 205 247 294 331 371 361 366 346 309 292 265 250
Mean daily daylight hours 10h 17m 11h 2m 12h 0m 12h 59m 13h 49m 14h 13m 13h 59m 13h 15m 12h 18m 11h 20m 10h 29m 10h 3m

Solar UV radiation in San Ysidro, New Mexico, United States §

San Ysidro experiences the highest level of ultraviolet (UV) radiation in April, June and August, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly San Ysidro UV Index data.

Average daily maximum UV levels by month for San Ysidro, New Mexico, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 7 10 12 12 13 12 12 11 8 6 5