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Average Soil Temperature in Monterey, CA — September 2025

Data from Vallecitos (63.8 mi away) • 30 of 30 days reported

Monthly Summary by Depth

2" depth
78°F
avg
70.7°F – 86.9°F
30 days
4" depth
79.9°F
avg
73.8°F – 86.7°F
30 days
8" depth
80°F
avg
74.7°F – 84.9°F
30 days
20" depth
80.4°F
avg
76.5°F – 83.3°F
30 days
40" depth
80°F
avg
78.1°F – 81.1°F
30 days

Daily Readings

Date2"4"8"20"40"
Sep 186°F86°F84.4°F82.9°F81.1°F
Sep 286.9°F86.7°F84.9°F83.1°F81.1°F
Sep 384.7°F85.8°F84.7°F83.3°F81.1°F
Sep 483.3°F84.7°F84.2°F83.3°F81.1°F
Sep 582.8°F84°F83.5°F83.1°F81.1°F
Sep 681°F82.9°F83.1°F82.9°F81.1°F
Sep 780.1°F81.9°F82.2°F82.6°F81.1°F
Sep 880.1°F81.7°F81.9°F82.2°F81.1°F
Sep 978.8°F80.4°F81.1°F81.9°F81°F
Sep 1078.8°F79.5°F80.1°F81.5°F80.8°F
Sep 1176.8°F78.8°F79.5°F81°F80.8°F
Sep 1277.2°F79.2°F79.5°F80.4°F80.6°F
Sep 1377.5°F79.5°F79.7°F80.2°F80.4°F
Sep 1477°F79.2°F79.5°F80.1°F80.2°F
Sep 1577.9°F79.7°F79.7°F79.9°F80.1°F
Sep 1678.6°F80.8°F80.1°F79.9°F79.9°F
Sep 1780.4°F81.5°F80.4°F80.1°F79.7°F
Sep 1877.4°F78.4°F79.3°F80.1°F79.7°F
Sep 1977°F79°F79.2°F79.7°F79.7°F
Sep 2077.4°F79.5°F79.3°F79.5°F79.5°F
Sep 2177°F79.3°F79.3°F79.3°F79.3°F
Sep 2277°F79.5°F79.2°F79.3°F79.3°F
Sep 2380.2°F80.4°F79.3°F79.2°F79.2°F
Sep 2476.1°F77.7°F78.6°F79.3°F79.2°F
Sep 2573°F76.1°F77.5°F79°F79°F
Sep 2672°F75.6°F76.6°F78.6°F79°F
Sep 2772.5°F75.7°F76.5°F77.7°F78.8°F
Sep 2871.8°F75.2°F75.9°F77.4°F78.6°F
Sep 2970.7°F73.8°F75°F77°F78.4°F
Sep 3070.9°F73.9°F74.7°F76.5°F78.1°F
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