Boyce, Louisiana climate: Normal weather by month, frost dates and records
Boyce's normal year runs from 39°F January nights to 89°F July afternoons, with 60.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 18.3°C, January lows of 4°C, July highs of 32°C, 1,544 mm of precipitation a year.
- NOAA stationBoyce (3 mi WNW)
- Station IDUSC00161232
- Location31.39°N 92.72°W
- Elevation110 ft (34 m)
- Population871
On October 22, the normal high in Boyce is 74°F and the normal low 54°F, and the chance of measurable rain or snow is 23%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Boyce.
- Jan 56° 39°
- Feb 60° 42°
- Mar 67° 49°
- Apr 74° 56°
- May 81° 64°
- Jun 87° 70°
- Jul 89° 72°
- Aug 89° 72°
- Sep 85° 67°
- Oct 76° 56°
- Nov 65° 46°
- Dec 58° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Boyce each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 39°F. The most precipitation falls in December (6.03 in), the least in August (3.35 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 56°F | 39°F | 47.5°F | 5.78 | 10 | <1 | 6 | 10 h 20 min |
| February | 60°F | 42°F | 50.9°F | 5.04 | 10 | <1 | 3 | 11 h |
| March | 67°F | 49°F | 57.9°F | 5.79 | 9 | <1 | 1 | 12 h |
| April | 74°F | 56°F | 65.0°F | 5.61 | 8 | <1 | <1 | 12 h 50 min |
| May | 81°F | 64°F | 72.5°F | 4.37 | 9 | 5 | <1 | 13 h 40 min |
| June | 87°F | 70°F | 78.4°F | 5.19 | 10 | 14 | <1 | 14 h 10 min |
| July | 89°F | 72°F | 80.6°F | 4.85 | 10 | 21 | <1 | 14 h |
| August | 89°F | 72°F | 80.6°F | 3.35 | 8 | 21 | <1 | 13 h 20 min |
| September | 85°F | 67°F | 75.8°F | 4.25 | 7 | 10 | <1 | 12 h 20 min |
| October | 76°F | 56°F | 66.1°F | 5.12 | 7 | 1 | <1 | 11 h 30 min |
| November | 65°F | 46°F | 55.8°F | 5.39 | 9 | <1 | 1 | 10 h 40 min |
| December | 58°F | 41°F | 49.2°F | 6.03 | 11 | <1 | 4 | 10 h 10 min |
| Year (annual) | 74°F | 56°F | 65.0°F | 60.77 | 109 | 73 | 16 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 13°C | 4°C | 8.6°C | 147 mm |
| February | 16°C | 5°C | 10.5°C | 128 mm |
| March | 20°C | 9°C | 14.4°C | 147 mm |
| April | 24°C | 13°C | 18.3°C | 142 mm |
| May | 27°C | 18°C | 22.5°C | 111 mm |
| June | 30°C | 21°C | 25.8°C | 132 mm |
| July | 32°C | 22°C | 27.0°C | 123 mm |
| August | 32°C | 22°C | 27.0°C | 85 mm |
| September | 29°C | 19°C | 24.3°C | 108 mm |
| October | 24°C | 13°C | 18.9°C | 130 mm |
| November | 19°C | 8°C | 13.2°C | 137 mm |
| December | 14°C | 5°C | 9.6°C | 153 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00161232; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Boyce?
Normal highs sit between 65°F and 85°F in March, April, May, September, October and November. Of those, October has the fewest days with rain (7).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00161232.
When is the last frost in Boyce?
In Boyce, the last spring frost (32°F) comes after March 2 in half of years and after March 19 in one year in ten; the first autumn frost comes before November 27 in half of years and before November 7 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 21 year in 10 after March 19; 9 in 10 after February 1
- First autumn frost, half of years before
- November 271 year in 10 before November 7; 9 in 10 before December 17
NOAA puts the median frost-free season at 271 days, and the season without a hard freeze (28°F) at 307 days.
A hard freeze (28°F) comes after February 11 in half of springs and before December 14 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Boyce in zone 9a in ZIP code 71409, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Boyce's NOAA station is in zone 9a: the coldest night of a typical year reaches 23°F (30 complete years).
Frost dates for every NOAA station in Louisiana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00161232; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Boyce?
In a normal year in Boyce, 73 days a year reach 90°F (3 of them 100°F or more), 16 nights fall to 32°F or colder and 109 days bring measurable precipitation.
- Days at 90°F or more
- 73a normal year
- Days at 100°F or more
- 3a normal year
- Nights at 32°F or colder
- 16a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 109a normal year
The highest temperature in this station's record (since 1976) is 107°F, on August 31, 2000; the lowest is 7°F, on February 16, 2021.
The wettest calendar year on that record is 2020, with 90.62 in; the snowiest season is 1976–77, with 2.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00161232; records: ACIS (NOAA Regional Climate Centers), station USC00161232. Records use complete months only; a month missing more than three days is left out.
How sunny is Boyce?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Boyce, 4.6 kWh per square metre a day. August is the sunniest month (82%) and February the cloudiest (65%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 2.8 |
| February | 65% | 3.2 |
| March | 71% | 4.4 |
| April | 76% | 5.4 |
| May | 79% | 6.0 |
| June | 80% | 6.2 |
| July | 81% | 6.1 |
| August | 82% | 5.8 |
| September | 81% | 5.1 |
| October | 81% | 4.2 |
| November | 78% | 3.2 |
| December | 69% | 2.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Boyce need?
A normal year in Boyce brings 2,154 heating degree days, 60% fewer than the median U.S. place (5,373), and 2,187 cooling degree days, 2.4 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,967 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 546 | 2 |
| February | 399 | 6 |
| March | 244 | 24 |
| April | 85 | 83 |
| May | 11 | 242 |
| June | 0 | 402 |
| July | 0 | 485 |
| August | 0 | 482 |
| September | 3 | 325 |
| October | 80 | 115 |
| November | 292 | 16 |
| December | 494 | 5 |
| Year (annual) | 2,154 | 2,187 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00161232. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Boyce been warmer than normal lately?
2025 averaged 65.8°F, 0.8°F above the 1991-2020 normal of 65.0°F. 3 of the 4 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 64.7°F | −0.3°F | 59.29 |
| 2023 | 67.1°F | +2.1°F | 34.95 |
| 2024 | 66.2°F | +1.2°F | 73.41 |
| 2025 | 65.8°F | +0.8°F | 50.24 |
Over 41 complete years from 1976 to 2025, the station's annual mean temperature rose at a fitted 7.1°F per century (+0.40°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00161232; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Boyce's climate compare?
Boyce is warmer than 9 of the other 64 places with their own NOAA record in Louisiana, and wetter than 34. Across the 7,247 U.S. stations with normals, its annual mean of 65.0°F is warmer than 88%.
In the Köppen classification computed from these normals, Boyce is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Boyce share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Colfax, LA1,396 people · 9 mi N
- Dry Prong, LA444 people · 17 mi NE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Boyce's climate
What is the coldest month in Boyce?
January, with a normal high of 56°F and a normal low of 39°F. The warmest is July (89°F by day, 72°F at night).
Does it snow in Boyce?
Rarely: NOAA's normal is no measurable snow a year.
What is the rainiest month in Boyce?
December, with 6.03 in of precipitation in a normal year; the driest is August with 3.35 in.
What plant hardiness zone is Boyce in?
The USDA's 2023 map puts Boyce in zone 9a in ZIP code 71409, the nearest ZIP area. By the same method at Boyce's NOAA station, the coldest night of a typical year reaches 23°F (30 years, 1991-2020): zone 9a.
How late can frost come in Boyce?
In half of years the last 32°F night comes after March 2; in one year in ten it comes after March 19. Waiting until March 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Louisiana climateThe statewide normals and every place in the state
- Alexandria, LA10 miles from this station, 66.9°F a year
- Fort Polk Fullerton Landing Strip, LA22 miles from this station, 67.5°F a year
- Lsu Dean Lee Research Station, LA24 miles from this station, 66.9°F a year
- Peason Ridge Range, LA34 miles from this station, 66.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made