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San Leandro, CA Weather on May 25

May 25th in San Leandro, CA typically brings mild spring weather, with average highs around 69°F and lows near 50°F. Over 52 years of records, the warmest May 25th was in 2008 (105°F average), while the coldest was 2010 (51°F) — a 54°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
69°F
Avg Low
50°F
Record High
111°F
2008
Record Low
39°F
1977
San Leandro, CA on May 25 — Temperature History20°F40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on May 25

Planning for May 25th in San Leandro, CA? Great weather for outdoor activities.

May 25 Weather Records for San Leandro

  • The all-time record high for May 25th in San Leandro, CA is 111°F, set in 2008.
  • The coldest May 25th on record dropped to 39°F in 1977.
  • Temperatures have reached 90°F or higher on May 25th in 4 of the last 52 years.

Frequently Asked Questions

What was the warmest May 25 ever in San Leandro?

The warmest May 25 in San Leandro, CA reached 111°F in 2008. That is 42°F above the long-term average high of 69°F.

What was the coldest May 25 ever in San Leandro?

The coldest May 25 in San Leandro, CA dropped to 39°F in 1977. That is 11°F below the long-term average low of 50°F.

What is the average temperature on May 25 in San Leandro?

On May 25, San Leandro averages a high of 69°F and a low of 50°F based on 52 years of NOAA weather observations from UPPER SAN LEANDRO FILTERS.

How many years of weather data are available for May 25 in San Leandro?

We have 52 years of weather records for May 25 in San Leandro, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

May 25 Weather History in San Leandro

YearHighLowPrecipSnow
202564°F47°F----
202460°F46°F----
202361°F48°F----
202292°F58°F----
202166°F48°F----
202090°F66°F----
201965°F47°F----
201858°F49°F----
201759°F50°F----
201658°F50°F----
201558°F47°F----
201477°F49°F----
201358°F45°F----
201259°F44°F----
201157°F46°F----
201056°F47°F----
200967°F51°F0"--
2008111°F98°F----
200775°F46°F----
200666°F54°F0"--
200579°F52°F----
200466°F50°F----
200366°F52°F----
200268°F49°F----
200170°F49°F----
200067°F49°F----
199972°F48°F----
199859°F46°F----
199770°F48°F----
199684°F52°F----
199567°F55°F----
199465°F52°F----
199370°F53°F----
198967°F45°F0"--
198863°F50°F0"--
198762°F51°F0"--
198675°F51°F0"--
198567°F52°F0"--
198473°F52°F0"--
198366°F50°F0"--
198298°F53°F0"--
198170°F56°F0"--
198063°F44°F0"--
197976°F53°F0"--
197864°F44°F0"--
197764°F39°F0"--
197664°F46°F0"--
197582°F50°F0"--
197475°F47°F0"--
197363°F55°F0"--
197266°F48°F0"--
197167°F46°F0"--

Based on 52 years of data from NOAA station: UPPER SAN LEANDRO FILTERS

Monthly Climate Averages

Historical temperature and precipitation averages for San Leandro, CA, based on 55+ years of weather data.

Warmest MonthSeptemberAvg High: 77°F / Low: 56°F
Coldest MonthDecemberAvg High: 57°F / Low: 43°F
Jan
58°/ 44°
💧 9.0"
Feb
61°/ 45°
💧 8.9"
Mar
63°/ 46°
💧 7.9"
❄️ 0.2"
Apr
66°/ 47°
💧 6.4"
May
69°/ 51°
💧 3.6"
Jun
73°/ 53°
💧 4.1"
Jul
75°/ 55°
💧 2.9"
Aug
76°/ 56°
💧 2.1"
Sep
77°/ 56°
💧 4.4"
❄️ 4.5"
Oct
73°/ 54°
💧 9.2"
Nov
64°/ 48°
💧 8.7"
Dec
57°/ 43°
💧 8.9"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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