Shinshu-Matsumoto Airport

RJAF / MMJ

Matsumoto, JP

Last Updated
Mar 4, 09:00Z

No METAR Available for RJAF

Showing weather from nearby airport with METAR data.

Currently using: RJAF
Weather Source: Shinshu-Matsumoto Airport (RJAF)
Distance: 0nm / 0km from RJAF

Current Weather

Display Units
Stale 2 hours ago
09:00Z

☀️ Day
VFR
Flight Rules
3°C
Temperature
Dewpoint: -1°C
8 kt
350°
10+ km
Visibility
4,500 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR RJAF 040900Z 35008KT 9999 VCSH FEW010 SCT025 BKN045 03/M01 Q1013

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 2,182 ft
FEW 1,000 ft AGL
SCT 2,500 ft AGL
BKN 4,500 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
1,000 ft
AGL (Above Ground)
3,182 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
2,500 ft
AGL (Above Ground)
4,682 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
4,500 ft
AGL (Above Ground)
6,682 ft AMSL

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
JAF
18
36 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 18/36
Active: 36
6,560 ft 150 ft ASP 171°
7.9 kt 1.4 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RJAF

1,897 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
88.4%
MVFR
6.7%
IFR
3.8%
LIFR
1.1%

Shinshu-Matsumoto Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 88.4% of the time. Prevailing winds are from the N averaging 8.7 knots. Temperature extremes range from -10°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are November, September, January.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 8.7 kt
Maximum Recorded: 26 kt
Calm Winds: 0.5%
Direction Distribution:
N
35.3%
NE
0.5%
E
0.1%
SE
10.1%
S
18.9%
SW
9%
W
7.1%
NW
18.5%

Temperature Range

Average: 8.9°C
Range: -10°C to 33°C
-10°C 33°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.6%

Best Months for VFR

November September January

Runway Wind Analysis

Runway 18/36
Favorable wind: 100%
Avg crosswind: 3.6 kt

Statistics computed from 1,897 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Shinshu-Matsumoto Airport - Airport Information

Airport Details

ICAO Code: RJAF
IATA Code: MMJ
Type: medium airport
Status: active
Elevation: 2,182 ft MSL

Location

City: Matsumoto
Country: JP
Latitude: 36.166801°
Longitude: 137.923004°
Time Zone: Europe/Moscow

Runway Information

Runway 18/36
Length: 6,560 ft
Width: 150 ft
Surface: ASP
ILS: No

About Shinshu-Matsumoto Airport

Overview

Shinshu-Matsumoto Airport is a medium-sized airport located in Matsumoto, Japan, situated at an elevation of 2,182 feet above mean sea level. The airport serves the Nagano Prefecture region, providing critical aviation infrastructure for local and regional transportation needs. Its single runway (18/36) spans 6,560 feet with an asphalt surface.

Flying Conditions

The airport experiences predominantly VFR conditions, with 89.4% of observations indicating good visual flight rules. Temperatures range from -7°C to 33°C, with an average of 10.5°C, presenting moderate climatic variability. Wind patterns are characterized by a northerly prevailing direction at an average of 9 knots, with occasional gusts up to 26 knots.

Notable Features

The airport's elevated location at 2,182 feet MSL suggests potential terrain interaction and potential mountain wave effects typical of inland Japanese topography. Pilots should be aware of the significant elevation and potential for rapid weather changes associated with mountainous terrain. The airport's geographic position offers unique atmospheric conditions influenced by surrounding mountain ranges.

Approach Considerations

Runway 18/36 demonstrates highly favorable wind conditions, with 100% wind compatibility and an average crosswind of only 3.7 knots. November, September, and January statistically represent the most consistent VFR months for operations. Visibility averages 10 statute miles, with minimal instances of reduced visibility or fog.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.