Hail history for Los Alamos, New Mexico
NOAA hail reports in and within about 5 km (3 miles) of Los Alamos since 1961, with preliminary reports to November 3, 2026.
Readout · Los Alamos
- Last hail
- Jun 25, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 4 reports
- Largest ever
- 2.00 in
- hen egg · Jul 10, 1961
35 reports on 21 days since 1961 · #18 of 70 New Mexico places
Hail map · Los Alamos
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Los Alamos
The latest hail report in and around Los Alamos is from June 25, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.00 in on June 25, 2025.
Over the 20 years 2006–2025, Los Alamos logged 27 reports on 14 hail days, about 1.4 reports a year. That is about twice the median New Mexico town on this site (0.6 a year) and ranks #18 of 70 New Mexico cities and towns on this site for all-time reports. Los Alamos accounts for 95% of the 37 reports filed in Los Alamos County.
3% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median New Mexico town on this site. The largest hail on record here is 2.00 in (hen egg) on July 10, 1961.
Reports were down 50% in 2016–2025 (9) compared with 2006–2015 (18). The busiest year was 2012, with 6 reports on 3 days. Hail here peaks in July (31% of reports); 43% fall between April and June.
Reports a year 2006–2025 average
- Los Alamos 1.4
- Los Alamos County 1.4
- Median New Mexico town on this site 0.6
Hail days 2006–2025
- Los Alamos 14
- Los Alamos County 14
- Median New Mexico town on this site 9
Share 2 in or larger of sized reports
- Los Alamos 3%
- Los Alamos County 3%
- Median New Mexico town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 1 | 1 | 1 | 3 | |||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 4 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 25, 2025 | 1 | 1.00 in | — |
| Aug 3, 2024 | 1 | 0.75 in | — |
| Jul 2, 2024 | 1 | 0.88 in | — |
| May 11, 2024 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jul 10, 1961 | 2.00 inhen egg | — | Los Alamos | — | 16:00 local · NCEI |
| Jul 6, 2009 | 1.75 ingolf ball | 0.89 NW (Lam)los Alamos Airport | Los Alamos | — | 12:10 local · NCEI |
| Jul 6, 2009 | 1.75 ingolf ball | 0.89 NW (Lam)los Alamos Airport | Los Alamos | — | 12:00 local · NCEI |
| Oct 12, 2012 | 1.50 inping pong ball | 1 NE Los Alamos | Los Alamos | $10K | 13:40 local · NCEI |
| Jul 6, 2009 | 1.50 inping pong ball | 0.89 NW (Lam)los Alamos Airport | Los Alamos | $25K | 12:20 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 14 40%
- 1–2 in 20 57%
- 2 in + 1 3%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 25, 2025 | 1.00 inquarter | 1.38 N (Lam)los Alamos Airport | Los Alamos | — | 13:15 local · NCEI |
| Aug 3, 2024 | 0.75 inpenny | 1.82 N (Lam)los Alamos Airport | Los Alamos | — | 15:15 local · NCEI |
| Jul 2, 2024 | 0.88 innickel | 0.89 SE (Lam)los Alamos Airport | Los Alamos | — | 12:30 local · NCEI |
| May 11, 2024 | 0.75 inpenny | 0.89 SE Los Alamos | Los Alamos | — | 13:06 local · NCEI |
| May 25, 2020 | 0.88 innickel | 1 WSW Los Alamos | Los Alamos | — | 17:57 local · NCEI |
| Jun 25, 2017 | 0.88 innickel | Los Alamos | Los Alamos | — | 14:32 local · NCEI |
| Jun 25, 2017 | 1.00 inquarter | 0.56 W Los Alamos | Los Alamos | — | 14:32 local · NCEI |
| Jun 25, 2017 | 1.25 inhalf dollar | Los Alamos | Los Alamos | — | 14:30 local · NCEI |
| Jun 25, 2017 | 0.88 innickel | 1.32 WNW Los Alamos | Los Alamos | — | 14:24 local · NCEI |
| Oct 19, 2015 | 0.88 innickel | Los Alamos | Los Alamos | — | 18:30 local · NCEI |
| Oct 19, 2015 | 0.88 innickel | Los Alamos | Los Alamos | — | 18:15 local · NCEI |
| Oct 12, 2012 | 1.00 inquarter | (Lam)los Alamos Airport | Los Alamos | $50K | 14:00 local · NCEI |
Hail history near Los Alamos
- Santa Fe 38 km · 42
Questions about hail in Los Alamos
How often does it hail in Los Alamos, New Mexico?
35 hail reports have been logged in and within about 5 km (3 miles) of Los Alamos since 1961. Over the 20 years 2006–2025 that averages 1.4 reports a year. That ranks #18 of 70 New Mexico places by number of reports.
When is hail season in Los Alamos?
Most reports come in July, June, May. July alone accounts for 31% of all reports.
What is the largest hail recorded in Los Alamos?
2.00 in (hen egg size) on July 10, 1961. 3% of reports here were 2 inches or larger.
When did it last hail in Los Alamos?
The most recent report in this data is from June 25, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Los Alamos had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was June 25, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.