DRIESTSINCE
Colorado · precipitation record 1906–2026

Alamosa, CO

THIS YEAR · 2026
DRIEST THIS YEAR SINCE 2011
1.35in
3rd driest of 95 years · normal 3.55"
📖 Alamosa's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 95 yrs
MONTH TO DATE
0.26in
14th driest of 95 yrs
29% of normal
LAST 90 DAYS
0.66in
4th driest of 96 yrs
33% of normal
YEAR TO DATE
1.35in
3rd driest of 95 yrs
38% of normal

Extremes & Streaks

Biggest Day on Record

1.77in
on Sep 30, 1959 · in 121 years

Dry Streak

3days
current run under 0.01" · longest ever 77 days (to Feb 9, 1981)

Wet Streak

0days
consecutive days with rain · longest ever 11 days

Year to Date vs Normal

38%
1.35" of a normal 3.55" · wettest 7.41" (2017) · driest 0.92" (2011)

Wettest & Driest Years

The extremes of a 93-year record (1933–2025) — full calendar-year totals. The long-run average is 7.2" a year.

Wettest Years on Record

1196911.55in
2202411.36in
3199011.19in
4193811.04in
5196710.86in

Driest Years on Record

119563.4in
219453.81in
319514.09in
419504.12in
519554.16in

Rainfall by Month

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Jul (~0.99") and driest in Feb (~0.22"). Wettest calendar month ever: Aug 1993, 5.4".

This Day in History · Rainfall

Every year's rainfall on each of the next 7 dates at Alamosa — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Wettest Jul 28 ever

1.55in
set in 1939

Rain on Jul 28

34%
of 95 years had measurable rain
1906: 0.04″1932: 0.00″1933: 0.00″1934: 0.00″1935: 0.00″1936: 0.42″1937: 0.05″1938: 0.00″1939: 1.55″1940: 0.05″1941: 0.00″1942: 0.00″1943: 0.08″1944: 0.00″1945: 0.00″1946: 0.18″1947: 0.00″1948: 0.03″1949: 0.00″1950: 0.00″1951: 0.00″1952: 0.05″1953: 0.05″1954: 0.00″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.00″1959: 0.00″1960: 0.00″1961: 0.12″1962: 0.01″1963: 0.00″1964: 0.06″1965: 0.01″1966: 0.09″1967: 0.00″1968: 0.00″1969: 0.00″1970: 0.02″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.05″1975: 0.00″1976: 0.00″1977: 0.00″1978: 0.00″1979: 0.00″1980: 0.00″1981: 0.00″1982: 0.04″1983: 0.00″1984: 0.03″1985: 0.33″1986: 0.00″1987: 0.00″1988: 0.24″1989: 0.01″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.00″1995: 0.00″1996: 0.00″1997: 0.46″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.00″2003: 0.15″2004: 0.00″2005: 0.00″2006: 0.00″2007: 0.00″2008: 0.02″2009: 0.00″2010: 0.07″2011: 0.01″2012: 0.00″2013: 0.27″2014: 0.29″2015: 0.00″2016: 0.00″2017: 0.10″2018: 0.10″2019: 0.00″2020: 0.00″2021: 0.00″2022: 0.46″2023: 0.00″2024: 0.00″2025: 0.00″0″1″2″194019501960197019801990200020102020

This Year's Rainfall

Alamosa's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Alamosa, CO — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Alamosa's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
Alamosa, CO — daily rainfall every day on record
Download calendar

Drought History

Every week of the U.S. Drought Monitor for Alamosa's county since 2000, coloured by intensity — dry spells and multi-year droughts read as warm bands.
Alamosa, CO — county drought history since 2000
Download drought history

Sun & Location

Sun & Daylight Today

Sunrise5:04 AM
Sunset7:15 PM
Solar noon12:10 PM
Daylight14h 11m
Local standard time (no DST), level horizon.

Location

37.44°N, 105.86°W

Nearby Stations

Pueblo, CO94 mi NEColorado Springs, CO114 mi NEClayton, NM164 mi EAlbuquerque, NM170 mi SDenver, CO178 mi NEGrand Junction, CO186 mi NW

Share Card

Alamosa, CO precipitation share card
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