Hail History

Hail history for Costilla County, Colorado

Every NOAA hail report filed in Costilla County since 1959, with preliminary National Weather Service reports to November 3, 2026.

Readout · Costilla County

Last hail
May 28, 2008
0.88 in, nickel size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · May 14, 1959

6 reports on 6 days since 1959 · #50 of 54 Colorado counties

Hail map · Costilla County

10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
5 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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What the record says about Costilla County

The latest hail report in Costilla County is from May 28, 2008, 0.88 in (nickel size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Costilla County logged 1 report on 1 hail day, about 0.1 reports a year. That is 2% of the median Colorado county (3.1 a year) and ranks #50 of 54 Colorado counties for all-time reports. Costilla County holds 0% of all 15,580 hail reports in Colorado.

0% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Colorado county. The largest hail on record here is 1.75 in (golf ball) on May 14, 1959.

Hail here peaks in May (33% of reports); 67% fall between April and June.

Reports a year 2006–2025 average

  • Costilla County 0.1
  • Median Colorado county 3.1

Hail days 2006–2025

  • Costilla County 1
  • Median Colorado county 41

Share 2 in or larger of sized reports

  • Costilla County 0%
  • Median Colorado county 6%

Hail over time

01 1959: 1 reports, largest 1.75 in 1960 1970 1980 1990 1995: 1 reports, largest 0.75 in 1996: 1 reports, largest 0.75 in 1997: 1 reports, largest 1.50 in 2000 2005: 1 reports, largest 0.75 in 2008: 1 reports, largest 0.88 in 2010 2020
Reports per year, 1959–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
012 Jan Feb Mar Apr May: 2 reports (33%) May June: 2 reports (33%) Jun July: 1 reports (17%) Jul August: 1 reports (17%) Aug Sep Oct Nov Dec
All 6 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Costilla County
Date Size Location Damage Time · source
May 14, 1959 1.75 ingolf ball — — 13:00 local · NCEI
Jul 28, 1997 1.50 inping pong ball 2 E Ft Garland — 13:33 local · NCEI
May 28, 2008 0.88 innickel San Luis — 22:40 local · NCEI
Jun 15, 2005 0.75 inpenny 7 SE Ft Garland — 12:12 local · NCEI
Aug 7, 1996 0.75 inpenny San Luis $450K 15:00 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

Most recent reports

Most recent hail reports in Costilla County
Date Size Location Damage Time · source
May 28, 2008 0.88 innickel San Luis — 22:40 local · NCEI
Jun 15, 2005 0.75 inpenny 7 SE Ft Garland — 12:12 local · NCEI
Jul 28, 1997 1.50 inping pong ball 2 E Ft Garland — 13:33 local · NCEI
Aug 7, 1996 0.75 inpenny San Luis $450K 15:00 local · NCEI
Jun 30, 1995 0.75 inpenny North Of San Luis $5K 14:50 local · NCEI
May 14, 1959 1.75 ingolf ball — — 13:00 local · NCEI

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
San Luis22May 28, 2008
Fort Garland11Jul 28, 1997

Questions about hail in Costilla County

How often does it hail in Costilla County, Colorado?

6 hail reports have been logged in Costilla County since 1959. Over the 20 years 2006–2025 that averages 0.1 reports a year. That ranks #50 of 54 Colorado counties by number of reports.

When is hail season in Costilla County?

Most reports come in May, June, July. May alone accounts for 33% of all reports.

What is the largest hail recorded in Costilla County?

1.75 in (golf ball size) on May 14, 1959. 0% of reports here were 2 inches or larger.

When did it last hail in Costilla County?

The most recent report in this data is from May 28, 2008 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Costilla County had in the last five years?

None: there has been no hail report in Costilla County since November 3, 2021. The last one was on May 28, 2008.

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.