Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Bow Mar, Colorado

High country wildflowers peak. Day 58 of spring. Read this microseason across nine climate regions →

Bow Mar, CO
Saturday, May 16 at 11:55 PM
76
°
Overcast
Feels like
68°
Humidity
20%
Wind
10 mph
Sunrise
5:44 AM
Sunset
8:08 PM
Bow Mar, CO
Hour by hour · 24h
87°
5p
86°
6p
83°
7p
80°
8p
78°
9p
74°
10p
72°
11p
70°
12a
67°
1a
65°
2a
60°
3a
59°
4a
57°
5a
55°
6a
58°
7a
64°
8a
73°
9a
76°
10a
78°
11a
80°
12p
82°
1p
83°
2p
83°
3p
82°
4p
L 55°H 87°
Bow Mar, CO
7-day forecast
  1. Today
    May 16
    Overcast
    19%
    80°54°
  2. Sunday
    May 17
    Overcast
    36%
    74°51°
  3. Monday
    May 18
    Light Snow Shwrs
    99%
    50°35°
  4. Tuesday
    May 19
    Light Snow Shwrs
    85%
    53°34°
  5. Wednesday
    May 20
    Overcast
    85%
    68°42°
  6. Thursday
    May 21
    Drizzle
    52%
    62°47°
  7. Friday
    May 22
    Overcast
    30%
    72°44°
Bow Mar, CO
Anemometer · 24h winds · from true
NESW
From · True
SE
130° · backing 82°
Direction
SE
130°
Sustained
10
mph
Gust
17
mph
Peak 24h
21
avg 5
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 21 @ 6:00p
−24h−18h−12h−6hnow
Light breeze backing 82° from the se.
Bow Mar, CO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
823.6
+2.3 mb in 3h · falling rapidly · 24.32 inHg
Now
823.6
mb
3h
+2.3
mb
12h
-5.6
mb
24h
-1.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 819830
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Bow Mar, CO
Air quality
88
AQI
Moderate
PM 2.5
2.9 μg/m³
PM 10
4.2 μg/m³
NO₂
1.8 μg/m³
Ozone
127.0 μg/m³
UV Index
1.4 Low
Bow Mar, CO
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
11:15 AM
Sunrise
5:44 AM
Daylight
14h 24m
Sunset
8:08 PM
Civil dusk
2:40 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Bow Mar, CO
The moon
New Moon
0% illuminated
Moonrise
11:08 AM
Moonset
1:23 AM
In sign
♉︎ Taurus
Bow Mar, CO
Microseason · 28 of 72
May 16–20

High country wildflowers peak

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Bow Mar at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 16, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

Planting calendar

MonthPlantHarvest
January
February
March
Aprillettuce, peas, spinach, radishes
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November
December

A year in weather

Bow Mar's warmest month is July (~75°F mean) and its coldest is December (~32°F). Rainfall peaks in May (2.3 inches) and bottoms out in January (0.5 inches).

MonthMean tempPrecipRainy days
January32°0.52
February33°0.52
March42°1.13
April48°1.74
May58°2.35
June69°1.74
July75°2.14
August73°1.84
September64°1.53
October51°1.03
November40°0.72
December32°0.52

Frequently asked

When does it freeze in Bow Mar?
Bow Mar's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
What is the rainy season in Bow Mar?
May is the wettest month with about 2.3 inches of rain on average; the city receives roughly 15 inches annually.
What is the warmest month in Bow Mar?
July is typically warmest, averaging about 75°F.
What is the coldest month in Bow Mar?
December is typically coldest, averaging about 32°F.
When can I start a vegetable garden in Bow Mar?
Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
How many rainy days does Bow Mar get?
Bow Mar averages about 38 rainy days per year.
What hardiness zone is Bow Mar?
Bow Mar's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.

Climate

Bow Mar, Colorado sits in a hot desert climate zone. January means hover near 32°F while July averages 75°F — a 43°F seasonal swing.

Across the year, Bow Mar receives about 15 inches of precipitation spread over roughly 38 rainy days.

The rhythm of the year is set by latitude (39.6°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.

ZIP codes in Bow Mar

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.