Rainfall totals Caribou, ME
Through Oct 11, 2026, Caribou has received 30.75 inches of rain for the year, according to the official daily climate report. The normal year-to-date total is 31.12 inches. The normal figure is what the city would typically have seen by this point in the calendar. This reading comes from the station gauge at CARIBOU MUNICIPAL in the National Weather Service's daily climate report.
as of
Data from Caribou Weather Forecast Office, with records back to 1948. Across the record from 1948, 100 percent of days have a reading, with 100 percent in 2025.
Most recent rainfall
0.57 inches of rain fell on Oct 8, 2026, the latest measurable rainfall this year.
At CARIBOU MUNICIPAL, the total for Oct 11, 2026 was a trace, per the National Weather Service daily climate report.
Official rainfall report for Oct 11, 2026
| Measured | Normal | vs normal | |
|---|---|---|---|
| Rain on Oct 11, 2026 | T | 0.13 inches | -0.13 inches |
| Last 48 hours | 0.00 inches | ||
| Last 72 hours | 0.00 inches | ||
| Last 7 days | 1.09 inches | ||
| Month to date | 1.15 inches | 1.36 inches | -0.21 inches (-15%) |
| Year to date | 30.75 inches | 31.12 inches | -0.37 inches (-1%) |
| Record for Oct 11 | 1.47 inches | 1954 |
Source: National Weather Service daily climate report for CARIBOU MUNICIPAL, issued the morning after Oct 11, 2026. The local National Weather Service office issues the daily climate report for the airport station the next morning, and that report is the official figure.
How much rain did Caribou get?
Days with measurable rain, 2026
| Date | Rainfall |
|---|---|
| Oct 8, 2026 | 0.57 inches |
| Oct 7, 2026 | 0.08 inches |
| Oct 5, 2026 | 0.44 inches |
| Oct 2, 2026 | 0.05 inches |
| Oct 1, 2026 | 0.01 inches |
| Sep 29, 2026 | 0.01 inches |
| Sep 28, 2026 | 0.08 inches |
| Sep 20, 2026 | 0.08 inches |
| Sep 14, 2026 | 0.05 inches |
| Sep 10, 2026 | 0.31 inches |
| Sep 9, 2026 | 0.03 inches |
| Sep 6, 2026 | 0.01 inches |
| Sep 5, 2026 | 0.01 inches |
| Sep 4, 2026 | 0.06 inches |
| Sep 3, 2026 | 0.66 inches |
| Aug 30, 2026 | 0.04 inches |
| Aug 28, 2026 | 0.06 inches |
| Aug 25, 2026 | 0.01 inches |
| Aug 24, 2026 | 0.03 inches |
| Aug 23, 2026 | 0.19 inches |
| Aug 17, 2026 | 1.06 inches |
| Aug 13, 2026 | 0.13 inches |
| Aug 11, 2026 | 0.90 inches |
| Aug 9, 2026 | 0.70 inches |
| Aug 8, 2026 | 0.05 inches |
| Aug 7, 2026 | 0.08 inches |
| Aug 3, 2026 | 0.49 inches |
| Jul 30, 2026 | 0.71 inches |
| Jul 22, 2026 | 1.10 inches |
| Jul 21, 2026 | 0.04 inches |
With 1.63 inches on Mar 11, 2026, this is the 100th wettest of the 12,562 measurable rain days in the Caribou Weather Forecast Office record, which begins in 1948. That is the most rain recorded at this station on March 11 since 1948.
Through Oct 8, 2026, the GHCN-Daily station record shows 30.75 inches of measurable rain so far this year, falling over a 120-day span. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Caribou rainfall by month, 2026
| Month | Rainfall | Normal | vs normal |
|---|---|---|---|
| January | 2.35 inches | 2.95 inches | -0.60 inches (-20%) |
| February | 0.65 inches | 2.42 inches | -1.77 inches (-73%) |
| March | 3.73 inches | 2.77 inches | +0.96 inches (+35%) |
| April | 4.23 inches | 2.99 inches | +1.24 inches (+41%) |
| May | 5.04 inches | 3.46 inches | +1.58 inches (+46%) |
| June | 4.73 inches | 3.89 inches | +0.84 inches (+22%) |
| July | 3.83 inches | 4.23 inches | -0.40 inches (-9%) |
| August | 3.74 inches | 3.61 inches | +0.13 inches (+4%) |
| September | 1.30 inches | 3.44 inches | -2.14 inches (-62%) |
| October | 1.15 inches | 3.99 inches |
October is still in progress; figures run through Oct 8, 2026. Averages are 1991-2020 normals from NCEI.
Rainfall days at each threshold in Caribou
| Year | 0.5+ in. | 1+ in. | 2+ in. | 3+ in. |
|---|---|---|---|---|
| 2025 | 24 | 6 | 0 | 0 |
| 2024 | 20 | 6 | 0 | 0 |
| 2023 | 31 | 7 | 0 | 0 |
| 2022 | 35 | 6 | 0 | 0 |
| 2021 | 23 | 5 | 0 | 0 |
| 2020 | 24 | 4 | 1 | 0 |
| 2019 | 28 | 9 | 0 | 0 |
| 2018 | 30 | 6 | 1 | 0 |
| 2017 | 26 | 5 | 1 | 0 |
| 2016 | 34 | 4 | 0 | 0 |
| Average | 24.1 | 5.5 | 0.6 | 0.1 |
A day counts when its rainfall total meets or passes the column amount, from Caribou Weather Forecast Office records in GHCN-Daily. Every complete year starting with 1948 counts toward the average, 78 years in total.
Past rainfall years in Caribou
All-time rainfall records
| Wettest day | 6.67 inches | Aug 17, 1981 |
|---|---|---|
| Wettest year | 55.36 inches | 2011 |
| Driest year | 27.92 inches | 1966 |
| Average year | 38.43 inches | 78 complete years on record |
| Rain days a year | 160 | average, 0.01 inch or more |
| Record begins | 1948 | 28,745 daily readings |
Monthly rainfall normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 2.95 | 2.42 | 2.77 | 2.99 | 3.46 | 3.89 | 4.23 | 3.61 | 3.44 | 3.99 | 3.35 | 3.60 | 40.70 |
Averages are 1991-2020 normals from NCEI.
Caribou appears in the site's top 12 of the foggiest cities in the US, averaging 37 heavy fog days yearly at its airport station (NCEI daily records).
The daily climate report is issued by the local National Weather Service forecast office and delivered to this page by the Iowa Environmental Mesonet of Iowa State University. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.