Oswego weather in April: Oswego, New York: normal highs, lows, rain and records for April
Oswego in April has a normal high of 53°F and a normal low of 37°F, a daily mean of 45°F, rising from 46°F on the 1st to 60°F by the 30th. Measurable precipitation falls on 14 days in a normal April, 3.48 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 3°C, 88 mm of precipitation and 7 cm of snow in April.
- NOAA stationOswego
- Station IDUSC00306314
- Location43.45°N 76.54°W
- Elevation324 ft (99 m)
- Population17,047
- Jan 31° 19°
- Feb 33° 20°
- Mar 41° 27°
- Apr 53° 37°
- May 66° 48°
- Jun 75° 57°
- Jul 80° 63°
- Aug 79° 62°
- Sep 72° 55°
- Oct 59° 45°
- Nov 47° 35°
- Dec 37° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oswego in April?
The normal high is 53°F and the normal low 37°F, for a daily mean of 45.3°F. April is 11.1°F warmer than March and 11.5°F cooler than May. April is the 7th warmest month of the year in Oswego and the 6th wettest. Across the month the normal high rises 14°F, from 46°F on April 1 to 60°F on April 30. From one year to the next April's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 42°F and 48°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 46°F | 32°F | 47% | 28% |
| April 8 | 50°F | 35°F | 46% | 28% |
| April 15 | 53°F | 37°F | 46% | 28% |
| April 22 | 56°F | 40°F | 45% | 28% |
| April 30 | 60°F | 43°F | 43% | 26% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 46°F | 32°F | 47% | 28% | 12 h 40 min |
| April 2 | 47°F | 32°F | 47% | 28% | 12 h 40 min |
| April 3 | 47°F | 33°F | 47% | 28% | 12 h 50 min |
| April 4 | 48°F | 33°F | 47% | 28% | 12 h 50 min |
| April 5 | 48°F | 33°F | 47% | 28% | 12 h 50 min |
| April 6 | 49°F | 34°F | 47% | 28% | 13 h |
| April 7 | 49°F | 34°F | 47% | 28% | 13 h |
| April 8 | 50°F | 35°F | 46% | 28% | 13 h |
| April 9 | 50°F | 35°F | 46% | 28% | 13 h |
| April 10 | 51°F | 35°F | 46% | 28% | 13 h 10 min |
| April 11 | 51°F | 36°F | 46% | 28% | 13 h 10 min |
| April 12 | 52°F | 36°F | 46% | 28% | 13 h 10 min |
| April 13 | 52°F | 36°F | 46% | 28% | 13 h 20 min |
| April 14 | 53°F | 37°F | 46% | 28% | 13 h 20 min |
| April 15 | 53°F | 37°F | 46% | 28% | 13 h 20 min |
| April 16 | 53°F | 38°F | 46% | 28% | 13 h 30 min |
| April 17 | 54°F | 38°F | 45% | 28% | 13 h 30 min |
| April 18 | 54°F | 38°F | 45% | 28% | 13 h 30 min |
| April 19 | 55°F | 39°F | 45% | 28% | 13 h 30 min |
| April 20 | 55°F | 39°F | 45% | 28% | 13 h 40 min |
| April 21 | 56°F | 39°F | 45% | 28% | 13 h 40 min |
| April 22 | 56°F | 40°F | 45% | 28% | 13 h 40 min |
| April 23 | 57°F | 40°F | 45% | 27% | 13 h 40 min |
| April 24 | 57°F | 41°F | 44% | 27% | 13 h 50 min |
| April 25 | 58°F | 41°F | 44% | 27% | 13 h 50 min |
| April 26 | 58°F | 41°F | 44% | 27% | 13 h 50 min |
| April 27 | 59°F | 42°F | 44% | 27% | 14 h |
| April 28 | 59°F | 42°F | 43% | 27% | 14 h |
| April 29 | 60°F | 42°F | 43% | 26% | 14 h |
| April 30 | 60°F | 43°F | 43% | 26% | 14 h |
- Normal high
- 53°FApril average
- Normal low
- 37°FApril average
- Precipitation
- 3.48 inmonth total
- Days with precipitation
- 140.01 inch or more
- Snowfall
- 2.8 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 3
- Days at 80°F or more
- 1
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00306314; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Oswego in April?
On a given April day the chance of 0.01 inch or more is 45% on average, highest around April 1 (47%). In all, 3.48 in falls on 14 days of a normal April.
In a normal April in Oswego, 8 nights fall to freezing and snowfall averages 2.8 inches.
Snow falls on 2 days in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00306314.
What are the records for April in Oswego?
The warmest April temperature on Oswego's official record (since 1926) is 90°F, on April 28, 1990; the coldest is 13°F, on April 7, 1982. The wettest April brought 6.66 in (2011); the snowiest, 17.9 inches (1983).
The April mean against the 1991-2020 normal of 45.3°F: 2021 49.0°F (+3.8), 2022 47.6°F (+2.4), 2023 50.9°F (+5.6), 2024 49.4°F (+4.1), 2025 47.7°F (+2.4), 2026 50.1°F (+4.8). 6 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.0°F | +3.8°F | 2.31 in |
| 2022 | 47.6°F | +2.4°F | 3.64 in |
| 2023 | 50.9°F | +5.6°F | 3.79 in |
| 2024 | 49.4°F | +4.1°F | 3.20 in |
| 2025 | 47.7°F | +2.4°F | 2.78 in |
| 2026 | 50.1°F | +4.8°F | 4.78 in |
Source: records: ACIS, NWS threaded record OSWN6thr; recent months: ACIS, station USC00306314. Records and recent months use complete months only.
How does April in Oswego compare across New York?
Across the 131 places PlainClimate covers in New York, April normal highs run from 48°F in Cooperstown to 64°F in Mount Sinai; Oswego's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.