Rome weather in May: Rome, New York: normal highs, lows, rain and records for May
Rome in May has a normal high of 69°F and a normal low of 45°F, a daily mean of 57°F, rising from 63°F on the 1st to 73°F by the 31st. Measurable precipitation falls on 15 days in a normal May, 4.46 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 7°C, 113 mm of precipitation in May.
- NOAA stationRome Griffiss Airfield
- Station IDUSW00064775
- Location43.23°N 75.41°W
- Elevation519 ft (158 m)
- From the center4 miles
- Population31,990
- Jan 30° 13°
- Feb 32° 13°
- Mar 41° 23°
- Apr 55° 34°
- May 69° 45°
- Jun 76° 55°
- Jul 81° 60°
- Aug 79° 58°
- Sep 72° 51°
- Oct 59° 41°
- Nov 47° 31°
- Dec 36° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rome in May?
The normal high is 69°F and the normal low 45°F, for a daily mean of 56.8°F. May is 12.3°F warmer than April and 8.5°F cooler than June. May is the 5th warmest month of the year in Rome and the 2nd wettest. Across the month the normal high rises 10°F, from 63°F on May 1 to 73°F on May 31. From one year to the next May's mean temperature typically moves about 3.5°F either way (NOAA's standard deviation), so roughly two Mays in three average between 53°F and 60°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 52%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 63°F | 39°F | 52% | 29% |
| May 8 | 66°F | 42°F | 51% | 30% |
| May 15 | 69°F | 44°F | 49% | 29% |
| May 22 | 71°F | 47°F | 46% | 29% |
| May 31 | 73°F | 50°F | 44% | 27% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 63°F | 39°F | 52% | 29% | 14 h 10 min |
| May 2 | 64°F | 40°F | 52% | 30% | 14 h 10 min |
| May 3 | 64°F | 40°F | 52% | 30% | 14 h 10 min |
| May 4 | 65°F | 40°F | 52% | 30% | 14 h 10 min |
| May 5 | 65°F | 41°F | 51% | 30% | 14 h 20 min |
| May 6 | 66°F | 41°F | 51% | 30% | 14 h 20 min |
| May 7 | 66°F | 41°F | 51% | 30% | 14 h 20 min |
| May 8 | 66°F | 42°F | 51% | 30% | 14 h 20 min |
| May 9 | 67°F | 42°F | 50% | 30% | 14 h 20 min |
| May 10 | 67°F | 43°F | 50% | 30% | 14 h 30 min |
| May 11 | 68°F | 43°F | 50% | 30% | 14 h 30 min |
| May 12 | 68°F | 43°F | 50% | 30% | 14 h 30 min |
| May 13 | 68°F | 44°F | 49% | 29% | 14 h 30 min |
| May 14 | 69°F | 44°F | 49% | 29% | 14 h 40 min |
| May 15 | 69°F | 44°F | 49% | 29% | 14 h 40 min |
| May 16 | 69°F | 45°F | 48% | 29% | 14 h 40 min |
| May 17 | 70°F | 45°F | 48% | 29% | 14 h 40 min |
| May 18 | 70°F | 45°F | 48% | 29% | 14 h 40 min |
| May 19 | 70°F | 46°F | 47% | 29% | 14 h 50 min |
| May 20 | 71°F | 46°F | 47% | 29% | 14 h 50 min |
| May 21 | 71°F | 47°F | 46% | 29% | 14 h 50 min |
| May 22 | 71°F | 47°F | 46% | 29% | 14 h 50 min |
| May 23 | 71°F | 47°F | 46% | 28% | 14 h 50 min |
| May 24 | 72°F | 48°F | 45% | 28% | 15 h |
| May 25 | 72°F | 48°F | 45% | 28% | 15 h |
| May 26 | 72°F | 48°F | 45% | 28% | 15 h |
| May 27 | 72°F | 49°F | 44% | 28% | 15 h |
| May 28 | 73°F | 49°F | 44% | 27% | 15 h |
| May 29 | 73°F | 49°F | 44% | 27% | 15 h |
| May 30 | 73°F | 50°F | 44% | 27% | 15 h 10 min |
| May 31 | 73°F | 50°F | 44% | 27% | 15 h 10 min |
- Normal high
- 69°FMay average
- Normal low
- 45°FMay average
- Precipitation
- 4.46 inmonth total
- Days with precipitation
- 150.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 14 h 10 min to 15 h 10 minMay 1 to May 31
- Days at 70°F or more
- 17
- Days at 80°F or more
- 7
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00064775; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rome in May?
On a given May day the chance of 0.01 inch or more is 48% on average, highest around May 1 (52%). In all, 4.46 in falls on 15 days of a normal May, 1 of them with an inch or more.
In a normal May in Rome, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00064775.
What are the records for May in Rome?
The May mean against the 1991-2020 normal of 56.8°F: 2021 55.9°F (−0.9), 2022 61.1°F (+4.3), 2023 54.5°F (−2.3), 2024 61.4°F (+4.6), 2025 56.6°F (−0.2), 2026 55.0°F (−1.8). 2 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.9°F | −0.9°F | 3.62 in |
| 2022 | 61.1°F | +4.3°F | 2.21 in |
| 2023 | 54.5°F | −2.3°F | 1.12 in |
| 2024 | 61.4°F | +4.6°F | 4.45 in |
| 2025 | 56.6°F | −0.2°F | 6.85 in |
| 2026 | 55.0°F | −1.8°F | 4.38 in |
Source: recent months: ACIS, station USW00064775. Records and recent months use complete months only.
How does May in Rome compare across New York?
Across the 131 places PlainClimate covers in New York, May normal highs run from 60°F in Cooperstown to 74°F in Hudson; Rome's is 69°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.